Home / 1,580,424.49-2,180,985.69-855,272.22

Finding the Fourth Proportional to 1,580,424.49, 2,180,985.69 and 855,272.22

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Solution

The fourth proportional to 1,580,424.49, 2,180,985.69 and 855,272.22 is: 1,180,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,424.49 : 2,180,985.69 = 855,272.22 : x
  2. Step 2: Convert to fraction form
    1,580,424.49/2,180,985.69 = 855,272.22/x
  3. Step 3: Cross multiply
    1,580,424.49x = 2,180,985.69 × 855,272.22
  4. Step 4: Simplify right side
    1,580,424.49x = 1,865,336,472,874.53
  5. Step 5: Solve for x
    x = 1,865,336,472,874.53/1,580,424.49
  6. Step 6: Final answer
    x = 1,180,275.61

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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.