Home / 1,030,282.29-1,421,793.72-571,439.70

Finding the Fourth Proportional to 1,030,282.29, 1,421,793.72 and 571,439.70

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Solution

The fourth proportional to 1,030,282.29, 1,421,793.72 and 571,439.70 is: 788,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,282.29 : 1,421,793.72 = 571,439.70 : x
  2. Step 2: Convert to fraction form
    1,030,282.29/1,421,793.72 = 571,439.70/x
  3. Step 3: Cross multiply
    1,030,282.29x = 1,421,793.72 × 571,439.70
  4. Step 4: Simplify right side
    1,030,282.29x = 812,469,376,818.68
  5. Step 5: Solve for x
    x = 812,469,376,818.68/1,030,282.29
  6. Step 6: Final answer
    x = 788,589.09

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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.