Home / 1,386,305.06-2,079,655.94-426,841.83

Finding the Fourth Proportional to 1,386,305.06, 2,079,655.94 and 426,841.83

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Solution

The fourth proportional to 1,386,305.06, 2,079,655.94 and 426,841.83 is: 640,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,305.06 : 2,079,655.94 = 426,841.83 : x
  2. Step 2: Convert to fraction form
    1,386,305.06/2,079,655.94 = 426,841.83/x
  3. Step 3: Cross multiply
    1,386,305.06x = 2,079,655.94 × 426,841.83
  4. Step 4: Simplify right side
    1,386,305.06x = 887,684,148,267.08
  5. Step 5: Solve for x
    x = 887,684,148,267.08/1,386,305.06
  6. Step 6: Final answer
    x = 640,323.82

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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.