Home / 1,140,304.96-1,572,581.28-979,109.44

Finding the Fourth Proportional to 1,140,304.96, 1,572,581.28 and 979,109.44

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Solution

The fourth proportional to 1,140,304.96, 1,572,581.28 and 979,109.44 is: 1,350,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,304.96 : 1,572,581.28 = 979,109.44 : x
  2. Step 2: Convert to fraction form
    1,140,304.96/1,572,581.28 = 979,109.44/x
  3. Step 3: Cross multiply
    1,140,304.96x = 1,572,581.28 × 979,109.44
  4. Step 4: Simplify right side
    1,140,304.96x = 1,539,729,176,415.28
  5. Step 5: Solve for x
    x = 1,539,729,176,415.28/1,140,304.96
  6. Step 6: Final answer
    x = 1,350,278.42

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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.