Home / 1,068,280.60-1,605,920.10-754,907.80

Finding the Fourth Proportional to 1,068,280.60, 1,605,920.10 and 754,907.80

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Solution

The fourth proportional to 1,068,280.60, 1,605,920.10 and 754,907.80 is: 1,134,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,280.60 : 1,605,920.10 = 754,907.80 : x
  2. Step 2: Convert to fraction form
    1,068,280.60/1,605,920.10 = 754,907.80/x
  3. Step 3: Cross multiply
    1,068,280.60x = 1,605,920.10 × 754,907.80
  4. Step 4: Simplify right side
    1,068,280.60x = 1,212,321,609,666.78
  5. Step 5: Solve for x
    x = 1,212,321,609,666.78/1,068,280.60
  6. Step 6: Final answer
    x = 1,134,834.43

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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.