Home / 1,035,592.20-1,428,381.09-691,254.54

Finding the Fourth Proportional to 1,035,592.20, 1,428,381.09 and 691,254.54

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Solution

The fourth proportional to 1,035,592.20, 1,428,381.09 and 691,254.54 is: 953,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,592.20 : 1,428,381.09 = 691,254.54 : x
  2. Step 2: Convert to fraction form
    1,035,592.20/1,428,381.09 = 691,254.54/x
  3. Step 3: Cross multiply
    1,035,592.20x = 1,428,381.09 × 691,254.54
  4. Step 4: Simplify right side
    1,035,592.20x = 987,374,913,312.65
  5. Step 5: Solve for x
    x = 987,374,913,312.65/1,035,592.20
  6. Step 6: Final answer
    x = 953,439.89

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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.