Home / 1,073,165.20-1,609,747.80-648,012.40

Finding the Fourth Proportional to 1,073,165.20, 1,609,747.80 and 648,012.40

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Solution

The fourth proportional to 1,073,165.20, 1,609,747.80 and 648,012.40 is: 972,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,165.20 : 1,609,747.80 = 648,012.40 : x
  2. Step 2: Convert to fraction form
    1,073,165.20/1,609,747.80 = 648,012.40/x
  3. Step 3: Cross multiply
    1,073,165.20x = 1,609,747.80 × 648,012.40
  4. Step 4: Simplify right side
    1,073,165.20x = 1,043,136,535,272.72
  5. Step 5: Solve for x
    x = 1,043,136,535,272.72/1,073,165.20
  6. Step 6: Final answer
    x = 972,018.60

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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.