Home / 1,774,175.12-2,661,262.40-426,337.72

Finding the Fourth Proportional to 1,774,175.12, 2,661,262.40 and 426,337.72

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Solution

The fourth proportional to 1,774,175.12, 2,661,262.40 and 426,337.72 is: 639,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,175.12 : 2,661,262.40 = 426,337.72 : x
  2. Step 2: Convert to fraction form
    1,774,175.12/2,661,262.40 = 426,337.72/x
  3. Step 3: Cross multiply
    1,774,175.12x = 2,661,262.40 × 426,337.72
  4. Step 4: Simplify right side
    1,774,175.12x = 1,134,596,543,937.73
  5. Step 5: Solve for x
    x = 1,134,596,543,937.73/1,774,175.12
  6. Step 6: Final answer
    x = 639,506.51

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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.