Home / 1,554,420.31-2,331,713.69-489,545.29

Finding the Fourth Proportional to 1,554,420.31, 2,331,713.69 and 489,545.29

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Solution

The fourth proportional to 1,554,420.31, 2,331,713.69 and 489,545.29 is: 734,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,420.31 : 2,331,713.69 = 489,545.29 : x
  2. Step 2: Convert to fraction form
    1,554,420.31/2,331,713.69 = 489,545.29/x
  3. Step 3: Cross multiply
    1,554,420.31x = 2,331,713.69 × 489,545.29
  4. Step 4: Simplify right side
    1,554,420.31x = 1,141,479,454,568.02
  5. Step 5: Solve for x
    x = 1,141,479,454,568.02/1,554,420.31
  6. Step 6: Final answer
    x = 734,344.15

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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.