Home / 1,580,658.36-2,181,289.68-855,488.86

Finding the Fourth Proportional to 1,580,658.36, 2,181,289.68 and 855,488.86

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Solution

The fourth proportional to 1,580,658.36, 2,181,289.68 and 855,488.86 is: 1,180,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,658.36 : 2,181,289.68 = 855,488.86 : x
  2. Step 2: Convert to fraction form
    1,580,658.36/2,181,289.68 = 855,488.86/x
  3. Step 3: Cross multiply
    1,580,658.36x = 2,181,289.68 × 855,488.86
  4. Step 4: Simplify right side
    1,580,658.36x = 1,866,069,021,672.97
  5. Step 5: Solve for x
    x = 1,866,069,021,672.97/1,580,658.36
  6. Step 6: Final answer
    x = 1,180,564.42

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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.