Home / 1,356,012.78-2,034,348.03-409,326.90

Finding the Fourth Proportional to 1,356,012.78, 2,034,348.03 and 409,326.90

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Solution

The fourth proportional to 1,356,012.78, 2,034,348.03 and 409,326.90 is: 614,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,012.78 : 2,034,348.03 = 409,326.90 : x
  2. Step 2: Convert to fraction form
    1,356,012.78/2,034,348.03 = 409,326.90/x
  3. Step 3: Cross multiply
    1,356,012.78x = 2,034,348.03 × 409,326.90
  4. Step 4: Simplify right side
    1,356,012.78x = 832,713,372,641.01
  5. Step 5: Solve for x
    x = 832,713,372,641.01/1,356,012.78
  6. Step 6: Final answer
    x = 614,089.62

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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.