Home / 929,601.40-1,394,402.10-873,614.20

Finding the Fourth Proportional to 929,601.40, 1,394,402.10 and 873,614.20

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Solution

The fourth proportional to 929,601.40, 1,394,402.10 and 873,614.20 is: 1,310,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,601.40 : 1,394,402.10 = 873,614.20 : x
  2. Step 2: Convert to fraction form
    929,601.40/1,394,402.10 = 873,614.20/x
  3. Step 3: Cross multiply
    929,601.40x = 1,394,402.10 × 873,614.20
  4. Step 4: Simplify right side
    929,601.40x = 1,218,169,475,069.82
  5. Step 5: Solve for x
    x = 1,218,169,475,069.82/929,601.40
  6. Step 6: Final answer
    x = 1,310,421.30

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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.