Home / 1,158,854.10-1,736,207.55-947,346.90

Finding the Fourth Proportional to 1,158,854.10, 1,736,207.55 and 947,346.90

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Solution

The fourth proportional to 1,158,854.10, 1,736,207.55 and 947,346.90 is: 1,419,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,854.10 : 1,736,207.55 = 947,346.90 : x
  2. Step 2: Convert to fraction form
    1,158,854.10/1,736,207.55 = 947,346.90/x
  3. Step 3: Cross multiply
    1,158,854.10x = 1,736,207.55 × 947,346.90
  4. Step 4: Simplify right side
    1,158,854.10x = 1,644,790,840,249.10
  5. Step 5: Solve for x
    x = 1,644,790,840,249.10/1,158,854.10
  6. Step 6: Final answer
    x = 1,419,325.21

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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.