Home / 1,169,515.28-1,613,841-660,267.92

Finding the Fourth Proportional to 1,169,515.28, 1,613,841 and 660,267.92

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Solution

The fourth proportional to 1,169,515.28, 1,613,841 and 660,267.92 is: 911,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,515.28 : 1,613,841 = 660,267.92 : x
  2. Step 2: Convert to fraction form
    1,169,515.28/1,613,841 = 660,267.92/x
  3. Step 3: Cross multiply
    1,169,515.28x = 1,613,841 × 660,267.92
  4. Step 4: Simplify right side
    1,169,515.28x = 1,065,567,440,280.72
  5. Step 5: Solve for x
    x = 1,065,567,440,280.72/1,169,515.28
  6. Step 6: Final answer
    x = 911,118.87

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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.