Home / 1,077,757.06-1,487,304.84-618,901.78

Finding the Fourth Proportional to 1,077,757.06, 1,487,304.84 and 618,901.78

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Solution

The fourth proportional to 1,077,757.06, 1,487,304.84 and 618,901.78 is: 854,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,757.06 : 1,487,304.84 = 618,901.78 : x
  2. Step 2: Convert to fraction form
    1,077,757.06/1,487,304.84 = 618,901.78/x
  3. Step 3: Cross multiply
    1,077,757.06x = 1,487,304.84 × 618,901.78
  4. Step 4: Simplify right side
    1,077,757.06x = 920,495,612,878.62
  5. Step 5: Solve for x
    x = 920,495,612,878.62/1,077,757.06
  6. Step 6: Final answer
    x = 854,084.51

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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.