Home / 1,441,862.72-1,989,739.04-797,309.76

Finding the Fourth Proportional to 1,441,862.72, 1,989,739.04 and 797,309.76

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Solution

The fourth proportional to 1,441,862.72, 1,989,739.04 and 797,309.76 is: 1,100,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,862.72 : 1,989,739.04 = 797,309.76 : x
  2. Step 2: Convert to fraction form
    1,441,862.72/1,989,739.04 = 797,309.76/x
  3. Step 3: Cross multiply
    1,441,862.72x = 1,989,739.04 × 797,309.76
  4. Step 4: Simplify right side
    1,441,862.72x = 1,586,438,356,445.03
  5. Step 5: Solve for x
    x = 1,586,438,356,445.03/1,441,862.72
  6. Step 6: Final answer
    x = 1,100,270.04

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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.