Home / 990,801.16-1,367,872.38-652,253.56

Finding the Fourth Proportional to 990,801.16, 1,367,872.38 and 652,253.56

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Solution

The fourth proportional to 990,801.16, 1,367,872.38 and 652,253.56 is: 900,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,801.16 : 1,367,872.38 = 652,253.56 : x
  2. Step 2: Convert to fraction form
    990,801.16/1,367,872.38 = 652,253.56/x
  3. Step 3: Cross multiply
    990,801.16x = 1,367,872.38 × 652,253.56
  4. Step 4: Simplify right side
    990,801.16x = 892,199,629,480.67
  5. Step 5: Solve for x
    x = 892,199,629,480.67/990,801.16
  6. Step 6: Final answer
    x = 900,483.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.