Home / 1,877,754.90-2,815,925.21-679,380.96

Finding the Fourth Proportional to 1,877,754.90, 2,815,925.21 and 679,380.96

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Solution

The fourth proportional to 1,877,754.90, 2,815,925.21 and 679,380.96 is: 1,018,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,754.90 : 2,815,925.21 = 679,380.96 : x
  2. Step 2: Convert to fraction form
    1,877,754.90/2,815,925.21 = 679,380.96/x
  3. Step 3: Cross multiply
    1,877,754.90x = 2,815,925.21 × 679,380.96
  4. Step 4: Simplify right side
    1,877,754.90x = 1,913,085,960,076.83
  5. Step 5: Solve for x
    x = 1,913,085,960,076.83/1,877,754.90
  6. Step 6: Final answer
    x = 1,018,815.59

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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.