Home / 1,677,124.82-2,512,513.35-991,959.59

Finding the Fourth Proportional to 1,677,124.82, 2,512,513.35 and 991,959.59

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Solution

The fourth proportional to 1,677,124.82, 2,512,513.35 and 991,959.59 is: 1,486,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,124.82 : 2,512,513.35 = 991,959.59 : x
  2. Step 2: Convert to fraction form
    1,677,124.82/2,512,513.35 = 991,959.59/x
  3. Step 3: Cross multiply
    1,677,124.82x = 2,512,513.35 × 991,959.59
  4. Step 4: Simplify right side
    1,677,124.82x = 2,492,311,718,816.81
  5. Step 5: Solve for x
    x = 2,492,311,718,816.81/1,677,124.82
  6. Step 6: Final answer
    x = 1,486,062.15

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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.