Home / 1,220,374.54-1,684,116.83-676,508.95

Finding the Fourth Proportional to 1,220,374.54, 1,684,116.83 and 676,508.95

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Solution

The fourth proportional to 1,220,374.54, 1,684,116.83 and 676,508.95 is: 933,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,374.54 : 1,684,116.83 = 676,508.95 : x
  2. Step 2: Convert to fraction form
    1,220,374.54/1,684,116.83 = 676,508.95/x
  3. Step 3: Cross multiply
    1,220,374.54x = 1,684,116.83 × 676,508.95
  4. Step 4: Simplify right side
    1,220,374.54x = 1,139,320,108,340.63
  5. Step 5: Solve for x
    x = 1,139,320,108,340.63/1,220,374.54
  6. Step 6: Final answer
    x = 933,582.33

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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.