Home / 755,338.10-1,133,007.15-726,307.70

Finding the Fourth Proportional to 755,338.10, 1,133,007.15 and 726,307.70

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Solution

The fourth proportional to 755,338.10, 1,133,007.15 and 726,307.70 is: 1,089,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,338.10 : 1,133,007.15 = 726,307.70 : x
  2. Step 2: Convert to fraction form
    755,338.10/1,133,007.15 = 726,307.70/x
  3. Step 3: Cross multiply
    755,338.10x = 1,133,007.15 × 726,307.70
  4. Step 4: Simplify right side
    755,338.10x = 822,911,817,200.06
  5. Step 5: Solve for x
    x = 822,911,817,200.06/755,338.10
  6. Step 6: Final answer
    x = 1,089,461.55

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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.