Home / 1,092,021.60-1,638,032.40-977,860.20

Finding the Fourth Proportional to 1,092,021.60, 1,638,032.40 and 977,860.20

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Solution

The fourth proportional to 1,092,021.60, 1,638,032.40 and 977,860.20 is: 1,466,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,021.60 : 1,638,032.40 = 977,860.20 : x
  2. Step 2: Convert to fraction form
    1,092,021.60/1,638,032.40 = 977,860.20/x
  3. Step 3: Cross multiply
    1,092,021.60x = 1,638,032.40 × 977,860.20
  4. Step 4: Simplify right side
    1,092,021.60x = 1,601,766,690,270.48
  5. Step 5: Solve for x
    x = 1,601,766,690,270.48/1,092,021.60
  6. Step 6: Final answer
    x = 1,466,790.30

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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.