Home / 1,029,211.20-1,420,311.56-576,502.20

Finding the Fourth Proportional to 1,029,211.20, 1,420,311.56 and 576,502.20

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Solution

The fourth proportional to 1,029,211.20, 1,420,311.56 and 576,502.20 is: 795,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,211.20 : 1,420,311.56 = 576,502.20 : x
  2. Step 2: Convert to fraction form
    1,029,211.20/1,420,311.56 = 576,502.20/x
  3. Step 3: Cross multiply
    1,029,211.20x = 1,420,311.56 × 576,502.20
  4. Step 4: Simplify right side
    1,029,211.20x = 818,812,736,142.92
  5. Step 5: Solve for x
    x = 818,812,736,142.92/1,029,211.20
  6. Step 6: Final answer
    x = 795,573.09

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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.