Home / 1,275,282.32-1,912,857.36-476,500.76

Finding the Fourth Proportional to 1,275,282.32, 1,912,857.36 and 476,500.76

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Solution

The fourth proportional to 1,275,282.32, 1,912,857.36 and 476,500.76 is: 714,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,282.32 : 1,912,857.36 = 476,500.76 : x
  2. Step 2: Convert to fraction form
    1,275,282.32/1,912,857.36 = 476,500.76/x
  3. Step 3: Cross multiply
    1,275,282.32x = 1,912,857.36 × 476,500.76
  4. Step 4: Simplify right side
    1,275,282.32x = 911,477,985,811.59
  5. Step 5: Solve for x
    x = 911,477,985,811.59/1,275,282.32
  6. Step 6: Final answer
    x = 714,726.43

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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.