Home / 1,497,100.20-2,247,059.70-787,637.40

Finding the Fourth Proportional to 1,497,100.20, 2,247,059.70 and 787,637.40

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Solution

The fourth proportional to 1,497,100.20, 2,247,059.70 and 787,637.40 is: 1,182,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,100.20 : 2,247,059.70 = 787,637.40 : x
  2. Step 2: Convert to fraction form
    1,497,100.20/2,247,059.70 = 787,637.40/x
  3. Step 3: Cross multiply
    1,497,100.20x = 2,247,059.70 × 787,637.40
  4. Step 4: Simplify right side
    1,497,100.20x = 1,769,868,259,752.78
  5. Step 5: Solve for x
    x = 1,769,868,259,752.78/1,497,100.20
  6. Step 6: Final answer
    x = 1,182,197.60

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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.