Home / 1,266,821.52-1,748,247.78-715,493.04

Finding the Fourth Proportional to 1,266,821.52, 1,748,247.78 and 715,493.04

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Solution

The fourth proportional to 1,266,821.52, 1,748,247.78 and 715,493.04 is: 987,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,821.52 : 1,748,247.78 = 715,493.04 : x
  2. Step 2: Convert to fraction form
    1,266,821.52/1,748,247.78 = 715,493.04/x
  3. Step 3: Cross multiply
    1,266,821.52x = 1,748,247.78 × 715,493.04
  4. Step 4: Simplify right side
    1,266,821.52x = 1,250,859,118,785.45
  5. Step 5: Solve for x
    x = 1,250,859,118,785.45/1,266,821.52
  6. Step 6: Final answer
    x = 987,399.64

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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.