Home / 897,638.40-1,344,489.30-797,911.20

Finding the Fourth Proportional to 897,638.40, 1,344,489.30 and 797,911.20

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Solution

The fourth proportional to 897,638.40, 1,344,489.30 and 797,911.20 is: 1,195,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,638.40 : 1,344,489.30 = 797,911.20 : x
  2. Step 2: Convert to fraction form
    897,638.40/1,344,489.30 = 797,911.20/x
  3. Step 3: Cross multiply
    897,638.40x = 1,344,489.30 × 797,911.20
  4. Step 4: Simplify right side
    897,638.40x = 1,072,783,070,750.16
  5. Step 5: Solve for x
    x = 1,072,783,070,750.16/897,638.40
  6. Step 6: Final answer
    x = 1,195,117.18

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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.