Home / 1,013,679.44-1,520,359.21-474,309.89

Finding the Fourth Proportional to 1,013,679.44, 1,520,359.21 and 474,309.89

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Solution

The fourth proportional to 1,013,679.44, 1,520,359.21 and 474,309.89 is: 711,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,679.44 : 1,520,359.21 = 474,309.89 : x
  2. Step 2: Convert to fraction form
    1,013,679.44/1,520,359.21 = 474,309.89/x
  3. Step 3: Cross multiply
    1,013,679.44x = 1,520,359.21 × 474,309.89
  4. Step 4: Simplify right side
    1,013,679.44x = 721,121,400,868.02
  5. Step 5: Solve for x
    x = 721,121,400,868.02/1,013,679.44
  6. Step 6: Final answer
    x = 711,389.99

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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.