Home / 914,679.40-1,372,019.10-788,708.20

Finding the Fourth Proportional to 914,679.40, 1,372,019.10 and 788,708.20

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Solution

The fourth proportional to 914,679.40, 1,372,019.10 and 788,708.20 is: 1,183,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,679.40 : 1,372,019.10 = 788,708.20 : x
  2. Step 2: Convert to fraction form
    914,679.40/1,372,019.10 = 788,708.20/x
  3. Step 3: Cross multiply
    914,679.40x = 1,372,019.10 × 788,708.20
  4. Step 4: Simplify right side
    914,679.40x = 1,082,122,714,726.62
  5. Step 5: Solve for x
    x = 1,082,122,714,726.62/914,679.40
  6. Step 6: Final answer
    x = 1,183,062.30

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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.