Home / 1,359,503.20-2,037,505.20-647,999.20

Finding the Fourth Proportional to 1,359,503.20, 2,037,505.20 and 647,999.20

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Solution

The fourth proportional to 1,359,503.20, 2,037,505.20 and 647,999.20 is: 971,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,503.20 : 2,037,505.20 = 647,999.20 : x
  2. Step 2: Convert to fraction form
    1,359,503.20/2,037,505.20 = 647,999.20/x
  3. Step 3: Cross multiply
    1,359,503.20x = 2,037,505.20 × 647,999.20
  4. Step 4: Simplify right side
    1,359,503.20x = 1,320,301,739,595.84
  5. Step 5: Solve for x
    x = 1,320,301,739,595.84/1,359,503.20
  6. Step 6: Final answer
    x = 971,164.86

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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.