Home / 1,214,645.42-1,676,126.27-670,776.44

Finding the Fourth Proportional to 1,214,645.42, 1,676,126.27 and 670,776.44

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Solution

The fourth proportional to 1,214,645.42, 1,676,126.27 and 670,776.44 is: 925,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,645.42 : 1,676,126.27 = 670,776.44 : x
  2. Step 2: Convert to fraction form
    1,214,645.42/1,676,126.27 = 670,776.44/x
  3. Step 3: Cross multiply
    1,214,645.42x = 1,676,126.27 × 670,776.44
  4. Step 4: Simplify right side
    1,214,645.42x = 1,124,306,011,332.48
  5. Step 5: Solve for x
    x = 1,124,306,011,332.48/1,214,645.42
  6. Step 6: Final answer
    x = 925,624.87

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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.