Home / 1,220,752.50-1,684,458.20-676,892.26

Finding the Fourth Proportional to 1,220,752.50, 1,684,458.20 and 676,892.26

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Solution

The fourth proportional to 1,220,752.50, 1,684,458.20 and 676,892.26 is: 934,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,752.50 : 1,684,458.20 = 676,892.26 : x
  2. Step 2: Convert to fraction form
    1,220,752.50/1,684,458.20 = 676,892.26/x
  3. Step 3: Cross multiply
    1,220,752.50x = 1,684,458.20 × 676,892.26
  4. Step 4: Simplify right side
    1,220,752.50x = 1,140,196,717,873.53
  5. Step 5: Solve for x
    x = 1,140,196,717,873.53/1,220,752.50
  6. Step 6: Final answer
    x = 934,011.37

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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.