Home / 1,025,935.66-1,538,929.61-486,065.40

Finding the Fourth Proportional to 1,025,935.66, 1,538,929.61 and 486,065.40

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Solution

The fourth proportional to 1,025,935.66, 1,538,929.61 and 486,065.40 is: 729,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,935.66 : 1,538,929.61 = 486,065.40 : x
  2. Step 2: Convert to fraction form
    1,025,935.66/1,538,929.61 = 486,065.40/x
  3. Step 3: Cross multiply
    1,025,935.66x = 1,538,929.61 × 486,065.40
  4. Step 4: Simplify right side
    1,025,935.66x = 748,020,436,456.49
  5. Step 5: Solve for x
    x = 748,020,436,456.49/1,025,935.66
  6. Step 6: Final answer
    x = 729,110.48

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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.