Home / 1,187,549.10-1,781,323.65-288,983.70

Finding the Fourth Proportional to 1,187,549.10, 1,781,323.65 and 288,983.70

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Solution

The fourth proportional to 1,187,549.10, 1,781,323.65 and 288,983.70 is: 433,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,549.10 : 1,781,323.65 = 288,983.70 : x
  2. Step 2: Convert to fraction form
    1,187,549.10/1,781,323.65 = 288,983.70/x
  3. Step 3: Cross multiply
    1,187,549.10x = 1,781,323.65 × 288,983.70
  4. Step 4: Simplify right side
    1,187,549.10x = 514,773,499,274.51
  5. Step 5: Solve for x
    x = 514,773,499,274.51/1,187,549.10
  6. Step 6: Final answer
    x = 433,475.55

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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.