Home / 1,355,103.40-2,032,655.10-456,246.40

Finding the Fourth Proportional to 1,355,103.40, 2,032,655.10 and 456,246.40

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Solution

The fourth proportional to 1,355,103.40, 2,032,655.10 and 456,246.40 is: 684,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,103.40 : 2,032,655.10 = 456,246.40 : x
  2. Step 2: Convert to fraction form
    1,355,103.40/2,032,655.10 = 456,246.40/x
  3. Step 3: Cross multiply
    1,355,103.40x = 2,032,655.10 × 456,246.40
  4. Step 4: Simplify right side
    1,355,103.40x = 927,391,571,816.64
  5. Step 5: Solve for x
    x = 927,391,571,816.64/1,355,103.40
  6. Step 6: Final answer
    x = 684,369.60

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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.