Home / 1,281,565.28-1,768,488.72-708,571.04

Finding the Fourth Proportional to 1,281,565.28, 1,768,488.72 and 708,571.04

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Solution

The fourth proportional to 1,281,565.28, 1,768,488.72 and 708,571.04 is: 977,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,565.28 : 1,768,488.72 = 708,571.04 : x
  2. Step 2: Convert to fraction form
    1,281,565.28/1,768,488.72 = 708,571.04/x
  3. Step 3: Cross multiply
    1,281,565.28x = 1,768,488.72 × 708,571.04
  4. Step 4: Simplify right side
    1,281,565.28x = 1,253,099,891,558.67
  5. Step 5: Solve for x
    x = 1,253,099,891,558.67/1,281,565.28
  6. Step 6: Final answer
    x = 977,788.58

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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.