Home / 1,103,742.40-1,655,613.60-917,118.40

Finding the Fourth Proportional to 1,103,742.40, 1,655,613.60 and 917,118.40

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Solution

The fourth proportional to 1,103,742.40, 1,655,613.60 and 917,118.40 is: 1,375,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,742.40 : 1,655,613.60 = 917,118.40 : x
  2. Step 2: Convert to fraction form
    1,103,742.40/1,655,613.60 = 917,118.40/x
  3. Step 3: Cross multiply
    1,103,742.40x = 1,655,613.60 × 917,118.40
  4. Step 4: Simplify right side
    1,103,742.40x = 1,518,393,695,850.24
  5. Step 5: Solve for x
    x = 1,518,393,695,850.24/1,103,742.40
  6. Step 6: Final answer
    x = 1,375,677.60

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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.