Home / 1,343,161.30-1,853,500.62-731,312.20

Finding the Fourth Proportional to 1,343,161.30, 1,853,500.62 and 731,312.20

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Solution

The fourth proportional to 1,343,161.30, 1,853,500.62 and 731,312.20 is: 1,009,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,161.30 : 1,853,500.62 = 731,312.20 : x
  2. Step 2: Convert to fraction form
    1,343,161.30/1,853,500.62 = 731,312.20/x
  3. Step 3: Cross multiply
    1,343,161.30x = 1,853,500.62 × 731,312.20
  4. Step 4: Simplify right side
    1,343,161.30x = 1,355,487,616,113.56
  5. Step 5: Solve for x
    x = 1,355,487,616,113.56/1,343,161.30
  6. Step 6: Final answer
    x = 1,009,177.09

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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.