Home / 1,569,158.45-2,353,737.68-431,918.45

Finding the Fourth Proportional to 1,569,158.45, 2,353,737.68 and 431,918.45

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Solution

The fourth proportional to 1,569,158.45, 2,353,737.68 and 431,918.45 is: 647,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,158.45 : 2,353,737.68 = 431,918.45 : x
  2. Step 2: Convert to fraction form
    1,569,158.45/2,353,737.68 = 431,918.45/x
  3. Step 3: Cross multiply
    1,569,158.45x = 2,353,737.68 × 431,918.45
  4. Step 4: Simplify right side
    1,569,158.45x = 1,016,622,730,452.20
  5. Step 5: Solve for x
    x = 1,016,622,730,452.20/1,569,158.45
  6. Step 6: Final answer
    x = 647,877.68

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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.