Home / 1,335,938.02-1,843,397.67-812,381.56

Finding the Fourth Proportional to 1,335,938.02, 1,843,397.67 and 812,381.56

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Solution

The fourth proportional to 1,335,938.02, 1,843,397.67 and 812,381.56 is: 1,120,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,938.02 : 1,843,397.67 = 812,381.56 : x
  2. Step 2: Convert to fraction form
    1,335,938.02/1,843,397.67 = 812,381.56/x
  3. Step 3: Cross multiply
    1,335,938.02x = 1,843,397.67 × 812,381.56
  4. Step 4: Simplify right side
    1,335,938.02x = 1,497,542,274,854.97
  5. Step 5: Solve for x
    x = 1,497,542,274,854.97/1,335,938.02
  6. Step 6: Final answer
    x = 1,120,966.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.