Home / 1,242,493.02-1,863,780.84-343,859.58

Finding the Fourth Proportional to 1,242,493.02, 1,863,780.84 and 343,859.58

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Solution

The fourth proportional to 1,242,493.02, 1,863,780.84 and 343,859.58 is: 515,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,493.02 : 1,863,780.84 = 343,859.58 : x
  2. Step 2: Convert to fraction form
    1,242,493.02/1,863,780.84 = 343,859.58/x
  3. Step 3: Cross multiply
    1,242,493.02x = 1,863,780.84 × 343,859.58
  4. Step 4: Simplify right side
    1,242,493.02x = 640,878,896,854.45
  5. Step 5: Solve for x
    x = 640,878,896,854.45/1,242,493.02
  6. Step 6: Final answer
    x = 515,800.80

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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.