Home / 1,010,134.28-1,393,978.44-557,425.28

Finding the Fourth Proportional to 1,010,134.28, 1,393,978.44 and 557,425.28

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Solution

The fourth proportional to 1,010,134.28, 1,393,978.44 and 557,425.28 is: 769,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,134.28 : 1,393,978.44 = 557,425.28 : x
  2. Step 2: Convert to fraction form
    1,010,134.28/1,393,978.44 = 557,425.28/x
  3. Step 3: Cross multiply
    1,010,134.28x = 1,393,978.44 × 557,425.28
  4. Step 4: Simplify right side
    1,010,134.28x = 777,038,822,230.96
  5. Step 5: Solve for x
    x = 777,038,822,230.96/1,010,134.28
  6. Step 6: Final answer
    x = 769,243.10

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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.