Home / 1,808,415.60-2,712,539.88-743,195.76

Finding the Fourth Proportional to 1,808,415.60, 2,712,539.88 and 743,195.76

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Solution

The fourth proportional to 1,808,415.60, 2,712,539.88 and 743,195.76 is: 1,114,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,415.60 : 2,712,539.88 = 743,195.76 : x
  2. Step 2: Convert to fraction form
    1,808,415.60/2,712,539.88 = 743,195.76/x
  3. Step 3: Cross multiply
    1,808,415.60x = 2,712,539.88 × 743,195.76
  4. Step 4: Simplify right side
    1,808,415.60x = 2,015,948,137,646.91
  5. Step 5: Solve for x
    x = 2,015,948,137,646.91/1,808,415.60
  6. Step 6: Final answer
    x = 1,114,759.32

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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.