Home / 1,919,260.64-2,878,894.38-499,314.44

Finding the Fourth Proportional to 1,919,260.64, 2,878,894.38 and 499,314.44

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Solution

The fourth proportional to 1,919,260.64, 2,878,894.38 and 499,314.44 is: 748,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,260.64 : 2,878,894.38 = 499,314.44 : x
  2. Step 2: Convert to fraction form
    1,919,260.64/2,878,894.38 = 499,314.44/x
  3. Step 3: Cross multiply
    1,919,260.64x = 2,878,894.38 × 499,314.44
  4. Step 4: Simplify right side
    1,919,260.64x = 1,437,473,535,168.85
  5. Step 5: Solve for x
    x = 1,437,473,535,168.85/1,919,260.64
  6. Step 6: Final answer
    x = 748,972.55

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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.