Home / 1,087,715.30-1,631,572.95-488,963.30

Finding the Fourth Proportional to 1,087,715.30, 1,631,572.95 and 488,963.30

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Solution

The fourth proportional to 1,087,715.30, 1,631,572.95 and 488,963.30 is: 733,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,715.30 : 1,631,572.95 = 488,963.30 : x
  2. Step 2: Convert to fraction form
    1,087,715.30/1,631,572.95 = 488,963.30/x
  3. Step 3: Cross multiply
    1,087,715.30x = 1,631,572.95 × 488,963.30
  4. Step 4: Simplify right side
    1,087,715.30x = 797,779,293,822.74
  5. Step 5: Solve for x
    x = 797,779,293,822.74/1,087,715.30
  6. Step 6: Final answer
    x = 733,444.95

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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.