Home / 1,677,984.05-2,315,543.22-980,329.59

Finding the Fourth Proportional to 1,677,984.05, 2,315,543.22 and 980,329.59

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Solution

The fourth proportional to 1,677,984.05, 2,315,543.22 and 980,329.59 is: 1,352,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,984.05 : 2,315,543.22 = 980,329.59 : x
  2. Step 2: Convert to fraction form
    1,677,984.05/2,315,543.22 = 980,329.59/x
  3. Step 3: Cross multiply
    1,677,984.05x = 2,315,543.22 × 980,329.59
  4. Step 4: Simplify right side
    1,677,984.05x = 2,269,995,535,489.88
  5. Step 5: Solve for x
    x = 2,269,995,535,489.88/1,677,984.05
  6. Step 6: Final answer
    x = 1,352,811.15

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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.