Home / 1,285,689.03-1,928,854.74-907,348.29

Finding the Fourth Proportional to 1,285,689.03, 1,928,854.74 and 907,348.29

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Solution

The fourth proportional to 1,285,689.03, 1,928,854.74 and 907,348.29 is: 1,361,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,689.03 : 1,928,854.74 = 907,348.29 : x
  2. Step 2: Convert to fraction form
    1,285,689.03/1,928,854.74 = 907,348.29/x
  3. Step 3: Cross multiply
    1,285,689.03x = 1,928,854.74 × 907,348.29
  4. Step 4: Simplify right side
    1,285,689.03x = 1,750,143,049,997.39
  5. Step 5: Solve for x
    x = 1,750,143,049,997.39/1,285,689.03
  6. Step 6: Final answer
    x = 1,361,249.11

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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.