Home / 1,281,176.43-1,767,954.08-708,179.69

Finding the Fourth Proportional to 1,281,176.43, 1,767,954.08 and 708,179.69

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Solution

The fourth proportional to 1,281,176.43, 1,767,954.08 and 708,179.69 is: 977,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,176.43 : 1,767,954.08 = 708,179.69 : x
  2. Step 2: Convert to fraction form
    1,281,176.43/1,767,954.08 = 708,179.69/x
  3. Step 3: Cross multiply
    1,281,176.43x = 1,767,954.08 × 708,179.69
  4. Step 4: Simplify right side
    1,281,176.43x = 1,252,029,168,767.74
  5. Step 5: Solve for x
    x = 1,252,029,168,767.74/1,281,176.43
  6. Step 6: Final answer
    x = 977,249.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.