Home / 1,580,468.79-2,181,053.89-855,316.62

Finding the Fourth Proportional to 1,580,468.79, 2,181,053.89 and 855,316.62

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Solution

The fourth proportional to 1,580,468.79, 2,181,053.89 and 855,316.62 is: 1,180,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,468.79 : 2,181,053.89 = 855,316.62 : x
  2. Step 2: Convert to fraction form
    1,580,468.79/2,181,053.89 = 855,316.62/x
  3. Step 3: Cross multiply
    1,580,468.79x = 2,181,053.89 × 855,316.62
  4. Step 4: Simplify right side
    1,580,468.79x = 1,865,491,642,301.80
  5. Step 5: Solve for x
    x = 1,865,491,642,301.80/1,580,468.79
  6. Step 6: Final answer
    x = 1,180,340.70

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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.