Home / 1,267,015.57-1,900,507.50-307,479.13

Finding the Fourth Proportional to 1,267,015.57, 1,900,507.50 and 307,479.13

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Solution

The fourth proportional to 1,267,015.57, 1,900,507.50 and 307,479.13 is: 461,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,015.57 : 1,900,507.50 = 307,479.13 : x
  2. Step 2: Convert to fraction form
    1,267,015.57/1,900,507.50 = 307,479.13/x
  3. Step 3: Cross multiply
    1,267,015.57x = 1,900,507.50 × 307,479.13
  4. Step 4: Simplify right side
    1,267,015.57x = 584,366,389,060.25
  5. Step 5: Solve for x
    x = 584,366,389,060.25/1,267,015.57
  6. Step 6: Final answer
    x = 461,214.84

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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.