Home / 1,625,213.70-2,438,209.44-678,058.02

Finding the Fourth Proportional to 1,625,213.70, 2,438,209.44 and 678,058.02

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Solution

The fourth proportional to 1,625,213.70, 2,438,209.44 and 678,058.02 is: 1,017,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,213.70 : 2,438,209.44 = 678,058.02 : x
  2. Step 2: Convert to fraction form
    1,625,213.70/2,438,209.44 = 678,058.02/x
  3. Step 3: Cross multiply
    1,625,213.70x = 2,438,209.44 × 678,058.02
  4. Step 4: Simplify right side
    1,625,213.70x = 1,653,247,465,231.71
  5. Step 5: Solve for x
    x = 1,653,247,465,231.71/1,625,213.70
  6. Step 6: Final answer
    x = 1,017,249.28

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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.