Home / 1,338,911.40-1,847,691.72-727,059.18

Finding the Fourth Proportional to 1,338,911.40, 1,847,691.72 and 727,059.18

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Solution

The fourth proportional to 1,338,911.40, 1,847,691.72 and 727,059.18 is: 1,003,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,911.40 : 1,847,691.72 = 727,059.18 : x
  2. Step 2: Convert to fraction form
    1,338,911.40/1,847,691.72 = 727,059.18/x
  3. Step 3: Cross multiply
    1,338,911.40x = 1,847,691.72 × 727,059.18
  4. Step 4: Simplify right side
    1,338,911.40x = 1,343,381,226,835.99
  5. Step 5: Solve for x
    x = 1,343,381,226,835.99/1,338,911.40
  6. Step 6: Final answer
    x = 1,003,338.40

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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.