Home / 1,439,364.60-2,158,010.10-808,471.80

Finding the Fourth Proportional to 1,439,364.60, 2,158,010.10 and 808,471.80

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Solution

The fourth proportional to 1,439,364.60, 2,158,010.10 and 808,471.80 is: 1,212,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,364.60 : 2,158,010.10 = 808,471.80 : x
  2. Step 2: Convert to fraction form
    1,439,364.60/2,158,010.10 = 808,471.80/x
  3. Step 3: Cross multiply
    1,439,364.60x = 2,158,010.10 × 808,471.80
  4. Step 4: Simplify right side
    1,439,364.60x = 1,744,690,309,965.18
  5. Step 5: Solve for x
    x = 1,744,690,309,965.18/1,439,364.60
  6. Step 6: Final answer
    x = 1,212,125.34

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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.