Home / 1,381,801.76-2,071,298.45-572,626.42

Finding the Fourth Proportional to 1,381,801.76, 2,071,298.45 and 572,626.42

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Solution

The fourth proportional to 1,381,801.76, 2,071,298.45 and 572,626.42 is: 858,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,801.76 : 2,071,298.45 = 572,626.42 : x
  2. Step 2: Convert to fraction form
    1,381,801.76/2,071,298.45 = 572,626.42/x
  3. Step 3: Cross multiply
    1,381,801.76x = 2,071,298.45 × 572,626.42
  4. Step 4: Simplify right side
    1,381,801.76x = 1,186,080,216,175.05
  5. Step 5: Solve for x
    x = 1,186,080,216,175.05/1,381,801.76
  6. Step 6: Final answer
    x = 858,357.73

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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.