Home / 1,252,131.90-1,878,270.56-353,498.42

Finding the Fourth Proportional to 1,252,131.90, 1,878,270.56 and 353,498.42

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Solution

The fourth proportional to 1,252,131.90, 1,878,270.56 and 353,498.42 is: 530,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,131.90 : 1,878,270.56 = 353,498.42 : x
  2. Step 2: Convert to fraction form
    1,252,131.90/1,878,270.56 = 353,498.42/x
  3. Step 3: Cross multiply
    1,252,131.90x = 1,878,270.56 × 353,498.42
  4. Step 4: Simplify right side
    1,252,131.90x = 663,965,664,133.67
  5. Step 5: Solve for x
    x = 663,965,664,133.67/1,252,131.90
  6. Step 6: Final answer
    x = 530,268.15

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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.