Home / 1,068,135.70-1,602,203.55-987,034.90

Finding the Fourth Proportional to 1,068,135.70, 1,602,203.55 and 987,034.90

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Solution

The fourth proportional to 1,068,135.70, 1,602,203.55 and 987,034.90 is: 1,480,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,135.70 : 1,602,203.55 = 987,034.90 : x
  2. Step 2: Convert to fraction form
    1,068,135.70/1,602,203.55 = 987,034.90/x
  3. Step 3: Cross multiply
    1,068,135.70x = 1,602,203.55 × 987,034.90
  4. Step 4: Simplify right side
    1,068,135.70x = 1,581,430,820,753.90
  5. Step 5: Solve for x
    x = 1,581,430,820,753.90/1,068,135.70
  6. Step 6: Final answer
    x = 1,480,552.35

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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.