Home / 1,207,214.02-1,665,954.82-663,384.88

Finding the Fourth Proportional to 1,207,214.02, 1,665,954.82 and 663,384.88

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Solution

The fourth proportional to 1,207,214.02, 1,665,954.82 and 663,384.88 is: 915,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,214.02 : 1,665,954.82 = 663,384.88 : x
  2. Step 2: Convert to fraction form
    1,207,214.02/1,665,954.82 = 663,384.88/x
  3. Step 3: Cross multiply
    1,207,214.02x = 1,665,954.82 × 663,384.88
  4. Step 4: Simplify right side
    1,207,214.02x = 1,105,169,238,351.12
  5. Step 5: Solve for x
    x = 1,105,169,238,351.12/1,207,214.02
  6. Step 6: Final answer
    x = 915,470.84

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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.