Home / 1,754,863.25-2,421,760.91-991,031.63

Finding the Fourth Proportional to 1,754,863.25, 2,421,760.91 and 991,031.63

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Solution

The fourth proportional to 1,754,863.25, 2,421,760.91 and 991,031.63 is: 1,367,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,863.25 : 2,421,760.91 = 991,031.63 : x
  2. Step 2: Convert to fraction form
    1,754,863.25/2,421,760.91 = 991,031.63/x
  3. Step 3: Cross multiply
    1,754,863.25x = 2,421,760.91 × 991,031.63
  4. Step 4: Simplify right side
    1,754,863.25x = 2,400,041,645,043.62
  5. Step 5: Solve for x
    x = 2,400,041,645,043.62/1,754,863.25
  6. Step 6: Final answer
    x = 1,367,651.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.