Home / 1,444,751.91-2,167,149.05-686,670.74

Finding the Fourth Proportional to 1,444,751.91, 2,167,149.05 and 686,670.74

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Solution

The fourth proportional to 1,444,751.91, 2,167,149.05 and 686,670.74 is: 1,030,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,751.91 : 2,167,149.05 = 686,670.74 : x
  2. Step 2: Convert to fraction form
    1,444,751.91/2,167,149.05 = 686,670.74/x
  3. Step 3: Cross multiply
    1,444,751.91x = 2,167,149.05 × 686,670.74
  4. Step 4: Simplify right side
    1,444,751.91x = 1,488,117,841,853.80
  5. Step 5: Solve for x
    x = 1,488,117,841,853.80/1,444,751.91
  6. Step 6: Final answer
    x = 1,030,016.18

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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.