Home / 986,917.46-1,480,154.75-453,926.42

Finding the Fourth Proportional to 986,917.46, 1,480,154.75 and 453,926.42

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Solution

The fourth proportional to 986,917.46, 1,480,154.75 and 453,926.42 is: 680,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,917.46 : 1,480,154.75 = 453,926.42 : x
  2. Step 2: Convert to fraction form
    986,917.46/1,480,154.75 = 453,926.42/x
  3. Step 3: Cross multiply
    986,917.46x = 1,480,154.75 × 453,926.42
  4. Step 4: Simplify right side
    986,917.46x = 671,881,346,713.50
  5. Step 5: Solve for x
    x = 671,881,346,713.50/986,917.46
  6. Step 6: Final answer
    x = 680,787.78

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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.