Home / 1,580,387.60-2,180,950.27-855,250.38

Finding the Fourth Proportional to 1,580,387.60, 2,180,950.27 and 855,250.38

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Solution

The fourth proportional to 1,580,387.60, 2,180,950.27 and 855,250.38 is: 1,180,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,387.60 : 2,180,950.27 = 855,250.38 : x
  2. Step 2: Convert to fraction form
    1,580,387.60/2,180,950.27 = 855,250.38/x
  3. Step 3: Cross multiply
    1,580,387.60x = 2,180,950.27 × 855,250.38
  4. Step 4: Simplify right side
    1,580,387.60x = 1,865,258,554,842.79
  5. Step 5: Solve for x
    x = 1,865,258,554,842.79/1,580,387.60
  6. Step 6: Final answer
    x = 1,180,253.86

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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.