Home / 1,580,463.77-2,181,043.80-855,316.71

Finding the Fourth Proportional to 1,580,463.77, 2,181,043.80 and 855,316.71

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Solution

The fourth proportional to 1,580,463.77, 2,181,043.80 and 855,316.71 is: 1,180,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,463.77 : 2,181,043.80 = 855,316.71 : x
  2. Step 2: Convert to fraction form
    1,580,463.77/2,181,043.80 = 855,316.71/x
  3. Step 3: Cross multiply
    1,580,463.77x = 2,181,043.80 × 855,316.71
  4. Step 4: Simplify right side
    1,580,463.77x = 1,865,483,207,381.90
  5. Step 5: Solve for x
    x = 1,865,483,207,381.90/1,580,463.77
  6. Step 6: Final answer
    x = 1,180,339.12

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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.