Home / 1,580,354.52-2,180,872.62-855,186.36

Finding the Fourth Proportional to 1,580,354.52, 2,180,872.62 and 855,186.36

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Solution

The fourth proportional to 1,580,354.52, 2,180,872.62 and 855,186.36 is: 1,180,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,354.52 : 2,180,872.62 = 855,186.36 : x
  2. Step 2: Convert to fraction form
    1,580,354.52/2,180,872.62 = 855,186.36/x
  3. Step 3: Cross multiply
    1,580,354.52x = 2,180,872.62 × 855,186.36
  4. Step 4: Simplify right side
    1,580,354.52x = 1,865,052,517,521.46
  5. Step 5: Solve for x
    x = 1,865,052,517,521.46/1,580,354.52
  6. Step 6: Final answer
    x = 1,180,148.18

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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.