Home / 1,207,002.10-1,665,690.69-663,171.82

Finding the Fourth Proportional to 1,207,002.10, 1,665,690.69 and 663,171.82

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Solution

The fourth proportional to 1,207,002.10, 1,665,690.69 and 663,171.82 is: 915,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,002.10 : 1,665,690.69 = 663,171.82 : x
  2. Step 2: Convert to fraction form
    1,207,002.10/1,665,690.69 = 663,171.82/x
  3. Step 3: Cross multiply
    1,207,002.10x = 1,665,690.69 × 663,171.82
  4. Step 4: Simplify right side
    1,207,002.10x = 1,104,639,126,444.36
  5. Step 5: Solve for x
    x = 1,104,639,126,444.36/1,207,002.10
  6. Step 6: Final answer
    x = 915,192.38

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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.