Home / 1,774,178.30-2,661,267.17-426,340.93

Finding the Fourth Proportional to 1,774,178.30, 2,661,267.17 and 426,340.93

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Solution

The fourth proportional to 1,774,178.30, 2,661,267.17 and 426,340.93 is: 639,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,178.30 : 2,661,267.17 = 426,340.93 : x
  2. Step 2: Convert to fraction form
    1,774,178.30/2,661,267.17 = 426,340.93/x
  3. Step 3: Cross multiply
    1,774,178.30x = 2,661,267.17 × 426,340.93
  4. Step 4: Simplify right side
    1,774,178.30x = 1,134,607,120,236.27
  5. Step 5: Solve for x
    x = 1,134,607,120,236.27/1,774,178.30
  6. Step 6: Final answer
    x = 639,511.33

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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.