Home / 1,349,393.38-2,019,395.31-836,818.90

Finding the Fourth Proportional to 1,349,393.38, 2,019,395.31 and 836,818.90

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Solution

The fourth proportional to 1,349,393.38, 2,019,395.31 and 836,818.90 is: 1,252,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,393.38 : 2,019,395.31 = 836,818.90 : x
  2. Step 2: Convert to fraction form
    1,349,393.38/2,019,395.31 = 836,818.90/x
  3. Step 3: Cross multiply
    1,349,393.38x = 2,019,395.31 × 836,818.90
  4. Step 4: Simplify right side
    1,349,393.38x = 1,689,868,161,979.36
  5. Step 5: Solve for x
    x = 1,689,868,161,979.36/1,349,393.38
  6. Step 6: Final answer
    x = 1,252,316.92

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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.