Home / 1,187,534.07-1,781,302.92-288,970.50

Finding the Fourth Proportional to 1,187,534.07, 1,781,302.92 and 288,970.50

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Solution

The fourth proportional to 1,187,534.07, 1,781,302.92 and 288,970.50 is: 433,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,534.07 : 1,781,302.92 = 288,970.50 : x
  2. Step 2: Convert to fraction form
    1,187,534.07/1,781,302.92 = 288,970.50/x
  3. Step 3: Cross multiply
    1,187,534.07x = 1,781,302.92 × 288,970.50
  4. Step 4: Simplify right side
    1,187,534.07x = 514,743,995,443.86
  5. Step 5: Solve for x
    x = 514,743,995,443.86/1,187,534.07
  6. Step 6: Final answer
    x = 433,456.19

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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.