Home / 1,306,136.66-1,802,486.27-725,397.26

Finding the Fourth Proportional to 1,306,136.66, 1,802,486.27 and 725,397.26

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Solution

The fourth proportional to 1,306,136.66, 1,802,486.27 and 725,397.26 is: 1,001,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,136.66 : 1,802,486.27 = 725,397.26 : x
  2. Step 2: Convert to fraction form
    1,306,136.66/1,802,486.27 = 725,397.26/x
  3. Step 3: Cross multiply
    1,306,136.66x = 1,802,486.27 × 725,397.26
  4. Step 4: Simplify right side
    1,306,136.66x = 1,307,518,602,360.95
  5. Step 5: Solve for x
    x = 1,307,518,602,360.95/1,306,136.66
  6. Step 6: Final answer
    x = 1,001,058.04

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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.