Home / 1,092,158.60-1,638,237.90-977,997.20

Finding the Fourth Proportional to 1,092,158.60, 1,638,237.90 and 977,997.20

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Solution

The fourth proportional to 1,092,158.60, 1,638,237.90 and 977,997.20 is: 1,466,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,158.60 : 1,638,237.90 = 977,997.20 : x
  2. Step 2: Convert to fraction form
    1,092,158.60/1,638,237.90 = 977,997.20/x
  3. Step 3: Cross multiply
    1,092,158.60x = 1,638,237.90 × 977,997.20
  4. Step 4: Simplify right side
    1,092,158.60x = 1,602,192,079,133.88
  5. Step 5: Solve for x
    x = 1,602,192,079,133.88/1,092,158.60
  6. Step 6: Final answer
    x = 1,466,995.80

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Similar ratio
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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.