Home / 1,304,010.90-1,955,105.10-771,257.70

Finding the Fourth Proportional to 1,304,010.90, 1,955,105.10 and 771,257.70

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Solution

The fourth proportional to 1,304,010.90, 1,955,105.10 and 771,257.70 is: 1,156,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,010.90 : 1,955,105.10 = 771,257.70 : x
  2. Step 2: Convert to fraction form
    1,304,010.90/1,955,105.10 = 771,257.70/x
  3. Step 3: Cross multiply
    1,304,010.90x = 1,955,105.10 × 771,257.70
  4. Step 4: Simplify right side
    1,304,010.90x = 1,507,889,862,684.27
  5. Step 5: Solve for x
    x = 1,507,889,862,684.27/1,304,010.90
  6. Step 6: Final answer
    x = 1,156,347.59

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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.