Home / 1,013,555.20-1,520,332.80-997,808.80

Finding the Fourth Proportional to 1,013,555.20, 1,520,332.80 and 997,808.80

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Solution

The fourth proportional to 1,013,555.20, 1,520,332.80 and 997,808.80 is: 1,496,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,555.20 : 1,520,332.80 = 997,808.80 : x
  2. Step 2: Convert to fraction form
    1,013,555.20/1,520,332.80 = 997,808.80/x
  3. Step 3: Cross multiply
    1,013,555.20x = 1,520,332.80 × 997,808.80
  4. Step 4: Simplify right side
    1,013,555.20x = 1,517,001,446,768.64
  5. Step 5: Solve for x
    x = 1,517,001,446,768.64/1,013,555.20
  6. Step 6: Final answer
    x = 1,496,713.20

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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.