Home / 1,002,175.76-1,383,066.60-662,047.76

Finding the Fourth Proportional to 1,002,175.76, 1,383,066.60 and 662,047.76

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Solution

The fourth proportional to 1,002,175.76, 1,383,066.60 and 662,047.76 is: 913,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,175.76 : 1,383,066.60 = 662,047.76 : x
  2. Step 2: Convert to fraction form
    1,002,175.76/1,383,066.60 = 662,047.76/x
  3. Step 3: Cross multiply
    1,002,175.76x = 1,383,066.60 × 662,047.76
  4. Step 4: Simplify right side
    1,002,175.76x = 915,656,144,460.82
  5. Step 5: Solve for x
    x = 915,656,144,460.82/1,002,175.76
  6. Step 6: Final answer
    x = 913,668.22

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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.