Home / 1,371,438.80-2,057,158.20-484,974.80

Finding the Fourth Proportional to 1,371,438.80, 2,057,158.20 and 484,974.80

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Solution

The fourth proportional to 1,371,438.80, 2,057,158.20 and 484,974.80 is: 727,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,438.80 : 2,057,158.20 = 484,974.80 : x
  2. Step 2: Convert to fraction form
    1,371,438.80/2,057,158.20 = 484,974.80/x
  3. Step 3: Cross multiply
    1,371,438.80x = 2,057,158.20 × 484,974.80
  4. Step 4: Simplify right side
    1,371,438.80x = 997,669,886,613.36
  5. Step 5: Solve for x
    x = 997,669,886,613.36/1,371,438.80
  6. Step 6: Final answer
    x = 727,462.20

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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.