Home / 1,018,780.92-1,528,083.36-344,847.78

Finding the Fourth Proportional to 1,018,780.92, 1,528,083.36 and 344,847.78

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Solution

The fourth proportional to 1,018,780.92, 1,528,083.36 and 344,847.78 is: 517,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,780.92 : 1,528,083.36 = 344,847.78 : x
  2. Step 2: Convert to fraction form
    1,018,780.92/1,528,083.36 = 344,847.78/x
  3. Step 3: Cross multiply
    1,018,780.92x = 1,528,083.36 × 344,847.78
  4. Step 4: Simplify right side
    1,018,780.92x = 526,956,154,350.94
  5. Step 5: Solve for x
    x = 526,956,154,350.94/1,018,780.92
  6. Step 6: Final answer
    x = 517,241.88

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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.