Home / 1,309,979.32-1,803,404.46-1,249,793.08

Finding the Fourth Proportional to 1,309,979.32, 1,803,404.46 and 1,249,793.08

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Solution

The fourth proportional to 1,309,979.32, 1,803,404.46 and 1,249,793.08 is: 1,720,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,979.32 : 1,803,404.46 = 1,249,793.08 : x
  2. Step 2: Convert to fraction form
    1,309,979.32/1,803,404.46 = 1,249,793.08/x
  3. Step 3: Cross multiply
    1,309,979.32x = 1,803,404.46 × 1,249,793.08
  4. Step 4: Simplify right side
    1,309,979.32x = 2,253,882,414,549.14
  5. Step 5: Solve for x
    x = 2,253,882,414,549.14/1,309,979.32
  6. Step 6: Final answer
    x = 1,720,548.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.