Home / 1,175,074.80-1,762,612.20-775,622.13

Finding the Fourth Proportional to 1,175,074.80, 1,762,612.20 and 775,622.13

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Solution

The fourth proportional to 1,175,074.80, 1,762,612.20 and 775,622.13 is: 1,163,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,074.80 : 1,762,612.20 = 775,622.13 : x
  2. Step 2: Convert to fraction form
    1,175,074.80/1,762,612.20 = 775,622.13/x
  3. Step 3: Cross multiply
    1,175,074.80x = 1,762,612.20 × 775,622.13
  4. Step 4: Simplify right side
    1,175,074.80x = 1,367,121,028,927.99
  5. Step 5: Solve for x
    x = 1,367,121,028,927.99/1,175,074.80
  6. Step 6: Final answer
    x = 1,163,433.20

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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.