Home / 1,774,176.55-2,661,264.55-426,339.18

Finding the Fourth Proportional to 1,774,176.55, 2,661,264.55 and 426,339.18

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Solution

The fourth proportional to 1,774,176.55, 2,661,264.55 and 426,339.18 is: 639,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,176.55 : 2,661,264.55 = 426,339.18 : x
  2. Step 2: Convert to fraction form
    1,774,176.55/2,661,264.55 = 426,339.18/x
  3. Step 3: Cross multiply
    1,774,176.55x = 2,661,264.55 × 426,339.18
  4. Step 4: Simplify right side
    1,774,176.55x = 1,134,601,346,542.99
  5. Step 5: Solve for x
    x = 1,134,601,346,542.99/1,774,176.55
  6. Step 6: Final answer
    x = 639,508.71

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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.