Home / 1,298,836.90-1,792,450.29-725,877.06

Finding the Fourth Proportional to 1,298,836.90, 1,792,450.29 and 725,877.06

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Solution

The fourth proportional to 1,298,836.90, 1,792,450.29 and 725,877.06 is: 1,001,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,836.90 : 1,792,450.29 = 725,877.06 : x
  2. Step 2: Convert to fraction form
    1,298,836.90/1,792,450.29 = 725,877.06/x
  3. Step 3: Cross multiply
    1,298,836.90x = 1,792,450.29 × 725,877.06
  4. Step 4: Simplify right side
    1,298,836.90x = 1,301,098,546,701.35
  5. Step 5: Solve for x
    x = 1,301,098,546,701.35/1,298,836.90
  6. Step 6: Final answer
    x = 1,001,741.29

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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.