Home / 1,273,874.88-1,911,142.80-375,348.36

Finding the Fourth Proportional to 1,273,874.88, 1,911,142.80 and 375,348.36

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Solution

The fourth proportional to 1,273,874.88, 1,911,142.80 and 375,348.36 is: 563,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,874.88 : 1,911,142.80 = 375,348.36 : x
  2. Step 2: Convert to fraction form
    1,273,874.88/1,911,142.80 = 375,348.36/x
  3. Step 3: Cross multiply
    1,273,874.88x = 1,911,142.80 × 375,348.36
  4. Step 4: Simplify right side
    1,273,874.88x = 717,344,315,705.81
  5. Step 5: Solve for x
    x = 717,344,315,705.81/1,273,874.88
  6. Step 6: Final answer
    x = 563,119.92

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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.