Home / 1,343,810.80-1,854,443.04-731,961.68

Finding the Fourth Proportional to 1,343,810.80, 1,854,443.04 and 731,961.68

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Solution

The fourth proportional to 1,343,810.80, 1,854,443.04 and 731,961.68 is: 1,010,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,810.80 : 1,854,443.04 = 731,961.68 : x
  2. Step 2: Convert to fraction form
    1,343,810.80/1,854,443.04 = 731,961.68/x
  3. Step 3: Cross multiply
    1,343,810.80x = 1,854,443.04 × 731,961.68
  4. Step 4: Simplify right side
    1,343,810.80x = 1,357,381,243,022.71
  5. Step 5: Solve for x
    x = 1,357,381,243,022.71/1,343,810.80
  6. Step 6: Final answer
    x = 1,010,098.48

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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.