Home / 1,157,635.20-1,736,452.80-684,854.40

Finding the Fourth Proportional to 1,157,635.20, 1,736,452.80 and 684,854.40

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Solution

The fourth proportional to 1,157,635.20, 1,736,452.80 and 684,854.40 is: 1,027,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,635.20 : 1,736,452.80 = 684,854.40 : x
  2. Step 2: Convert to fraction form
    1,157,635.20/1,736,452.80 = 684,854.40/x
  3. Step 3: Cross multiply
    1,157,635.20x = 1,736,452.80 × 684,854.40
  4. Step 4: Simplify right side
    1,157,635.20x = 1,189,217,340,472.32
  5. Step 5: Solve for x
    x = 1,189,217,340,472.32/1,157,635.20
  6. Step 6: Final answer
    x = 1,027,281.60

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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.