Home / 817,026.60-1,224,503.10-727,861.80

Finding the Fourth Proportional to 817,026.60, 1,224,503.10 and 727,861.80

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Solution

The fourth proportional to 817,026.60, 1,224,503.10 and 727,861.80 is: 1,090,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,026.60 : 1,224,503.10 = 727,861.80 : x
  2. Step 2: Convert to fraction form
    817,026.60/1,224,503.10 = 727,861.80/x
  3. Step 3: Cross multiply
    817,026.60x = 1,224,503.10 × 727,861.80
  4. Step 4: Simplify right side
    817,026.60x = 891,269,030,471.58
  5. Step 5: Solve for x
    x = 891,269,030,471.58/817,026.60
  6. Step 6: Final answer
    x = 1,090,869.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.