Home / 1,216,426.74-1,678,627.78-700,108.96

Finding the Fourth Proportional to 1,216,426.74, 1,678,627.78 and 700,108.96

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Solution

The fourth proportional to 1,216,426.74, 1,678,627.78 and 700,108.96 is: 966,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,426.74 : 1,678,627.78 = 700,108.96 : x
  2. Step 2: Convert to fraction form
    1,216,426.74/1,678,627.78 = 700,108.96/x
  3. Step 3: Cross multiply
    1,216,426.74x = 1,678,627.78 × 700,108.96
  4. Step 4: Simplify right side
    1,216,426.74x = 1,175,222,349,282.91
  5. Step 5: Solve for x
    x = 1,175,222,349,282.91/1,216,426.74
  6. Step 6: Final answer
    x = 966,126.70

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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.