Home / 1,298,844.20-1,948,266.30-1,249,077.80

Finding the Fourth Proportional to 1,298,844.20, 1,948,266.30 and 1,249,077.80

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Solution

The fourth proportional to 1,298,844.20, 1,948,266.30 and 1,249,077.80 is: 1,873,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,844.20 : 1,948,266.30 = 1,249,077.80 : x
  2. Step 2: Convert to fraction form
    1,298,844.20/1,948,266.30 = 1,249,077.80/x
  3. Step 3: Cross multiply
    1,298,844.20x = 1,948,266.30 × 1,249,077.80
  4. Step 4: Simplify right side
    1,298,844.20x = 2,433,536,183,818.14
  5. Step 5: Solve for x
    x = 2,433,536,183,818.14/1,298,844.20
  6. Step 6: Final answer
    x = 1,873,616.70

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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.