Home / 1,519,207.40-2,278,811.10-983,829.80

Finding the Fourth Proportional to 1,519,207.40, 2,278,811.10 and 983,829.80

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Solution

The fourth proportional to 1,519,207.40, 2,278,811.10 and 983,829.80 is: 1,475,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,207.40 : 2,278,811.10 = 983,829.80 : x
  2. Step 2: Convert to fraction form
    1,519,207.40/2,278,811.10 = 983,829.80/x
  3. Step 3: Cross multiply
    1,519,207.40x = 2,278,811.10 × 983,829.80
  4. Step 4: Simplify right side
    1,519,207.40x = 2,241,962,268,750.78
  5. Step 5: Solve for x
    x = 2,241,962,268,750.78/1,519,207.40
  6. Step 6: Final answer
    x = 1,475,744.70

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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.