Home / 1,273,876.88-1,911,145.80-375,350.36

Finding the Fourth Proportional to 1,273,876.88, 1,911,145.80 and 375,350.36

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Solution

The fourth proportional to 1,273,876.88, 1,911,145.80 and 375,350.36 is: 563,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,876.88 : 1,911,145.80 = 375,350.36 : x
  2. Step 2: Convert to fraction form
    1,273,876.88/1,911,145.80 = 375,350.36/x
  3. Step 3: Cross multiply
    1,273,876.88x = 1,911,145.80 × 375,350.36
  4. Step 4: Simplify right side
    1,273,876.88x = 717,349,264,042.49
  5. Step 5: Solve for x
    x = 717,349,264,042.49/1,273,876.88
  6. Step 6: Final answer
    x = 563,122.92

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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.