Home / 1,343,320.20-1,853,778.96-731,463.48

Finding the Fourth Proportional to 1,343,320.20, 1,853,778.96 and 731,463.48

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Solution

The fourth proportional to 1,343,320.20, 1,853,778.96 and 731,463.48 is: 1,009,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,320.20 : 1,853,778.96 = 731,463.48 : x
  2. Step 2: Convert to fraction form
    1,343,320.20/1,853,778.96 = 731,463.48/x
  3. Step 3: Cross multiply
    1,343,320.20x = 1,853,778.96 × 731,463.48
  4. Step 4: Simplify right side
    1,343,320.20x = 1,355,971,609,232.38
  5. Step 5: Solve for x
    x = 1,355,971,609,232.38/1,343,320.20
  6. Step 6: Final answer
    x = 1,009,418.01

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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.