Home / 1,035,271.20-1,428,386.88-667,592.76

Finding the Fourth Proportional to 1,035,271.20, 1,428,386.88 and 667,592.76

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Solution

The fourth proportional to 1,035,271.20, 1,428,386.88 and 667,592.76 is: 921,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,271.20 : 1,428,386.88 = 667,592.76 : x
  2. Step 2: Convert to fraction form
    1,035,271.20/1,428,386.88 = 667,592.76/x
  3. Step 3: Cross multiply
    1,035,271.20x = 1,428,386.88 × 667,592.76
  4. Step 4: Simplify right side
    1,035,271.20x = 953,580,747,426.91
  5. Step 5: Solve for x
    x = 953,580,747,426.91/1,035,271.20
  6. Step 6: Final answer
    x = 921,092.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.