Home / 945,561.60-1,418,342.40-868,147.20

Finding the Fourth Proportional to 945,561.60, 1,418,342.40 and 868,147.20

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Solution

The fourth proportional to 945,561.60, 1,418,342.40 and 868,147.20 is: 1,302,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,561.60 : 1,418,342.40 = 868,147.20 : x
  2. Step 2: Convert to fraction form
    945,561.60/1,418,342.40 = 868,147.20/x
  3. Step 3: Cross multiply
    945,561.60x = 1,418,342.40 × 868,147.20
  4. Step 4: Simplify right side
    945,561.60x = 1,231,329,983,201.28
  5. Step 5: Solve for x
    x = 1,231,329,983,201.28/945,561.60
  6. Step 6: Final answer
    x = 1,302,220.80

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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.