Home / 1,545,344.10-2,318,016.15-423,413.10

Finding the Fourth Proportional to 1,545,344.10, 2,318,016.15 and 423,413.10

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Solution

The fourth proportional to 1,545,344.10, 2,318,016.15 and 423,413.10 is: 635,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,344.10 : 2,318,016.15 = 423,413.10 : x
  2. Step 2: Convert to fraction form
    1,545,344.10/2,318,016.15 = 423,413.10/x
  3. Step 3: Cross multiply
    1,545,344.10x = 2,318,016.15 × 423,413.10
  4. Step 4: Simplify right side
    1,545,344.10x = 981,478,403,921.57
  5. Step 5: Solve for x
    x = 981,478,403,921.57/1,545,344.10
  6. Step 6: Final answer
    x = 635,119.65

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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.