Home / 1,220,044.60-1,683,661.71-676,215.46

Finding the Fourth Proportional to 1,220,044.60, 1,683,661.71 and 676,215.46

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Solution

The fourth proportional to 1,220,044.60, 1,683,661.71 and 676,215.46 is: 933,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,044.60 : 1,683,661.71 = 676,215.46 : x
  2. Step 2: Convert to fraction form
    1,220,044.60/1,683,661.71 = 676,215.46/x
  3. Step 3: Cross multiply
    1,220,044.60x = 1,683,661.71 × 676,215.46
  4. Step 4: Simplify right side
    1,220,044.60x = 1,138,518,077,712.04
  5. Step 5: Solve for x
    x = 1,138,518,077,712.04/1,220,044.60
  6. Step 6: Final answer
    x = 933,177.42

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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.