Home / 1,497,103.20-2,247,064.20-787,640.40

Finding the Fourth Proportional to 1,497,103.20, 2,247,064.20 and 787,640.40

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Solution

The fourth proportional to 1,497,103.20, 2,247,064.20 and 787,640.40 is: 1,182,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,103.20 : 2,247,064.20 = 787,640.40 : x
  2. Step 2: Convert to fraction form
    1,497,103.20/2,247,064.20 = 787,640.40/x
  3. Step 3: Cross multiply
    1,497,103.20x = 2,247,064.20 × 787,640.40
  4. Step 4: Simplify right side
    1,497,103.20x = 1,769,878,545,313.68
  5. Step 5: Solve for x
    x = 1,769,878,545,313.68/1,497,103.20
  6. Step 6: Final answer
    x = 1,182,202.10

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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.