Home / 1,315,512.60-1,973,268.90-746,673.90

Finding the Fourth Proportional to 1,315,512.60, 1,973,268.90 and 746,673.90

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Solution

The fourth proportional to 1,315,512.60, 1,973,268.90 and 746,673.90 is: 1,120,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,512.60 : 1,973,268.90 = 746,673.90 : x
  2. Step 2: Convert to fraction form
    1,315,512.60/1,973,268.90 = 746,673.90/x
  3. Step 3: Cross multiply
    1,315,512.60x = 1,973,268.90 × 746,673.90
  4. Step 4: Simplify right side
    1,315,512.60x = 1,473,388,385,311.71
  5. Step 5: Solve for x
    x = 1,473,388,385,311.71/1,315,512.60
  6. Step 6: Final answer
    x = 1,120,010.85

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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.