Home / 1,386,301.44-2,079,650.52-426,838.22

Finding the Fourth Proportional to 1,386,301.44, 2,079,650.52 and 426,838.22

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Solution

The fourth proportional to 1,386,301.44, 2,079,650.52 and 426,838.22 is: 640,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,301.44 : 2,079,650.52 = 426,838.22 : x
  2. Step 2: Convert to fraction form
    1,386,301.44/2,079,650.52 = 426,838.22/x
  3. Step 3: Cross multiply
    1,386,301.44x = 2,079,650.52 × 426,838.22
  4. Step 4: Simplify right side
    1,386,301.44x = 887,674,331,378.00
  5. Step 5: Solve for x
    x = 887,674,331,378.00/1,386,301.44
  6. Step 6: Final answer
    x = 640,318.41

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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.