Home / 1,518,741.66-2,275,927.40-653,939.18

Finding the Fourth Proportional to 1,518,741.66, 2,275,927.40 and 653,939.18

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Solution

The fourth proportional to 1,518,741.66, 2,275,927.40 and 653,939.18 is: 979,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,741.66 : 2,275,927.40 = 653,939.18 : x
  2. Step 2: Convert to fraction form
    1,518,741.66/2,275,927.40 = 653,939.18/x
  3. Step 3: Cross multiply
    1,518,741.66x = 2,275,927.40 × 653,939.18
  4. Step 4: Simplify right side
    1,518,741.66x = 1,488,318,083,046.20
  5. Step 5: Solve for x
    x = 1,488,318,083,046.20/1,518,741.66
  6. Step 6: Final answer
    x = 979,967.91

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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.