Home / 1,774,178.81-2,661,267.92-426,341.43

Finding the Fourth Proportional to 1,774,178.81, 2,661,267.92 and 426,341.43

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Solution

The fourth proportional to 1,774,178.81, 2,661,267.92 and 426,341.43 is: 639,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,178.81 : 2,661,267.92 = 426,341.43 : x
  2. Step 2: Convert to fraction form
    1,774,178.81/2,661,267.92 = 426,341.43/x
  3. Step 3: Cross multiply
    1,774,178.81x = 2,661,267.92 × 426,341.43
  4. Step 4: Simplify right side
    1,774,178.81x = 1,134,608,768,494.22
  5. Step 5: Solve for x
    x = 1,134,608,768,494.22/1,774,178.81
  6. Step 6: Final answer
    x = 639,512.07

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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.