Home / 1,345,826.35-2,018,148.85-503,787.61

Finding the Fourth Proportional to 1,345,826.35, 2,018,148.85 and 503,787.61

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Solution

The fourth proportional to 1,345,826.35, 2,018,148.85 and 503,787.61 is: 755,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,826.35 : 2,018,148.85 = 503,787.61 : x
  2. Step 2: Convert to fraction form
    1,345,826.35/2,018,148.85 = 503,787.61/x
  3. Step 3: Cross multiply
    1,345,826.35x = 2,018,148.85 × 503,787.61
  4. Step 4: Simplify right side
    1,345,826.35x = 1,016,718,385,765.75
  5. Step 5: Solve for x
    x = 1,016,718,385,765.75/1,345,826.35
  6. Step 6: Final answer
    x = 755,460.31

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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.