Home / 1,349,392.38-2,019,393.81-836,817.90

Finding the Fourth Proportional to 1,349,392.38, 2,019,393.81 and 836,817.90

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Solution

The fourth proportional to 1,349,392.38, 2,019,393.81 and 836,817.90 is: 1,252,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,392.38 : 2,019,393.81 = 836,817.90 : x
  2. Step 2: Convert to fraction form
    1,349,392.38/2,019,393.81 = 836,817.90/x
  3. Step 3: Cross multiply
    1,349,392.38x = 2,019,393.81 × 836,817.90
  4. Step 4: Simplify right side
    1,349,392.38x = 1,689,864,887,357.20
  5. Step 5: Solve for x
    x = 1,689,864,887,357.20/1,349,392.38
  6. Step 6: Final answer
    x = 1,252,315.42

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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.