Home / 1,580,903.92-2,181,648.72-855,749.41

Finding the Fourth Proportional to 1,580,903.92, 2,181,648.72 and 855,749.41

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Solution

The fourth proportional to 1,580,903.92, 2,181,648.72 and 855,749.41 is: 1,180,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,903.92 : 2,181,648.72 = 855,749.41 : x
  2. Step 2: Convert to fraction form
    1,580,903.92/2,181,648.72 = 855,749.41/x
  3. Step 3: Cross multiply
    1,580,903.92x = 2,181,648.72 × 855,749.41
  4. Step 4: Simplify right side
    1,580,903.92x = 1,866,944,604,967.26
  5. Step 5: Solve for x
    x = 1,866,944,604,967.26/1,580,903.92
  6. Step 6: Final answer
    x = 1,180,934.90

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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.