Home / 1,273,875.88-1,911,144.30-375,349.36

Finding the Fourth Proportional to 1,273,875.88, 1,911,144.30 and 375,349.36

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Solution

The fourth proportional to 1,273,875.88, 1,911,144.30 and 375,349.36 is: 563,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,875.88 : 1,911,144.30 = 375,349.36 : x
  2. Step 2: Convert to fraction form
    1,273,875.88/1,911,144.30 = 375,349.36/x
  3. Step 3: Cross multiply
    1,273,875.88x = 1,911,144.30 × 375,349.36
  4. Step 4: Simplify right side
    1,273,875.88x = 717,346,789,872.65
  5. Step 5: Solve for x
    x = 717,346,789,872.65/1,273,875.88
  6. Step 6: Final answer
    x = 563,121.42

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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.