Home / 1,092,172.60-1,638,258.90-735,254.20

Finding the Fourth Proportional to 1,092,172.60, 1,638,258.90 and 735,254.20

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Solution

The fourth proportional to 1,092,172.60, 1,638,258.90 and 735,254.20 is: 1,102,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,172.60 : 1,638,258.90 = 735,254.20 : x
  2. Step 2: Convert to fraction form
    1,092,172.60/1,638,258.90 = 735,254.20/x
  3. Step 3: Cross multiply
    1,092,172.60x = 1,638,258.90 × 735,254.20
  4. Step 4: Simplify right side
    1,092,172.60x = 1,204,536,736,912.38
  5. Step 5: Solve for x
    x = 1,204,536,736,912.38/1,092,172.60
  6. Step 6: Final answer
    x = 1,102,881.30

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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.