Home / 1,187,531.07-1,781,298.42-288,967.49

Finding the Fourth Proportional to 1,187,531.07, 1,781,298.42 and 288,967.49

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Solution

The fourth proportional to 1,187,531.07, 1,781,298.42 and 288,967.49 is: 433,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,531.07 : 1,781,298.42 = 288,967.49 : x
  2. Step 2: Convert to fraction form
    1,187,531.07/1,781,298.42 = 288,967.49/x
  3. Step 3: Cross multiply
    1,187,531.07x = 1,781,298.42 × 288,967.49
  4. Step 4: Simplify right side
    1,187,531.07x = 514,737,333,368.37
  5. Step 5: Solve for x
    x = 514,737,333,368.37/1,187,531.07
  6. Step 6: Final answer
    x = 433,451.68

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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.