Home / 1,664,981.20-2,497,034.40-718,141.42

Finding the Fourth Proportional to 1,664,981.20, 2,497,034.40 and 718,141.42

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Solution

The fourth proportional to 1,664,981.20, 2,497,034.40 and 718,141.42 is: 1,077,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,981.20 : 2,497,034.40 = 718,141.42 : x
  2. Step 2: Convert to fraction form
    1,664,981.20/2,497,034.40 = 718,141.42/x
  3. Step 3: Cross multiply
    1,664,981.20x = 2,497,034.40 × 718,141.42
  4. Step 4: Simplify right side
    1,664,981.20x = 1,793,223,829,804.85
  5. Step 5: Solve for x
    x = 1,793,223,829,804.85/1,664,981.20
  6. Step 6: Final answer
    x = 1,077,023.47

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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.