Home / 1,228,915.64-1,843,373.46-387,552.44

Finding the Fourth Proportional to 1,228,915.64, 1,843,373.46 and 387,552.44

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Solution

The fourth proportional to 1,228,915.64, 1,843,373.46 and 387,552.44 is: 581,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,915.64 : 1,843,373.46 = 387,552.44 : x
  2. Step 2: Convert to fraction form
    1,228,915.64/1,843,373.46 = 387,552.44/x
  3. Step 3: Cross multiply
    1,228,915.64x = 1,843,373.46 × 387,552.44
  4. Step 4: Simplify right side
    1,228,915.64x = 714,403,882,254.24
  5. Step 5: Solve for x
    x = 714,403,882,254.24/1,228,915.64
  6. Step 6: Final answer
    x = 581,328.66

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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.