Home / 1,520,987.22-2,098,962.38-841,923.72

Finding the Fourth Proportional to 1,520,987.22, 2,098,962.38 and 841,923.72

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Solution

The fourth proportional to 1,520,987.22, 2,098,962.38 and 841,923.72 is: 1,161,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,987.22 : 2,098,962.38 = 841,923.72 : x
  2. Step 2: Convert to fraction form
    1,520,987.22/2,098,962.38 = 841,923.72/x
  3. Step 3: Cross multiply
    1,520,987.22x = 2,098,962.38 × 841,923.72
  4. Step 4: Simplify right side
    1,520,987.22x = 1,767,166,217,214.46
  5. Step 5: Solve for x
    x = 1,767,166,217,214.46/1,520,987.22
  6. Step 6: Final answer
    x = 1,161,854.74

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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.