Home / 1,017,439.40-1,526,159.10-485,998.40

Finding the Fourth Proportional to 1,017,439.40, 1,526,159.10 and 485,998.40

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Solution

The fourth proportional to 1,017,439.40, 1,526,159.10 and 485,998.40 is: 728,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,439.40 : 1,526,159.10 = 485,998.40 : x
  2. Step 2: Convert to fraction form
    1,017,439.40/1,526,159.10 = 485,998.40/x
  3. Step 3: Cross multiply
    1,017,439.40x = 1,526,159.10 × 485,998.40
  4. Step 4: Simplify right side
    1,017,439.40x = 741,710,880,745.44
  5. Step 5: Solve for x
    x = 741,710,880,745.44/1,017,439.40
  6. Step 6: Final answer
    x = 728,997.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.