Home / 1,580,708.15-2,181,377.08-855,555.74

Finding the Fourth Proportional to 1,580,708.15, 2,181,377.08 and 855,555.74

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Solution

The fourth proportional to 1,580,708.15, 2,181,377.08 and 855,555.74 is: 1,180,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,708.15 : 2,181,377.08 = 855,555.74 : x
  2. Step 2: Convert to fraction form
    1,580,708.15/2,181,377.08 = 855,555.74/x
  3. Step 3: Cross multiply
    1,580,708.15x = 2,181,377.08 × 855,555.74
  4. Step 4: Simplify right side
    1,580,708.15x = 1,866,289,681,898.44
  5. Step 5: Solve for x
    x = 1,866,289,681,898.44/1,580,708.15
  6. Step 6: Final answer
    x = 1,180,666.83

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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.