Home / 1,153,175.40-1,729,763.10-513,477.90

Finding the Fourth Proportional to 1,153,175.40, 1,729,763.10 and 513,477.90

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Solution

The fourth proportional to 1,153,175.40, 1,729,763.10 and 513,477.90 is: 770,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,175.40 : 1,729,763.10 = 513,477.90 : x
  2. Step 2: Convert to fraction form
    1,153,175.40/1,729,763.10 = 513,477.90/x
  3. Step 3: Cross multiply
    1,153,175.40x = 1,729,763.10 × 513,477.90
  4. Step 4: Simplify right side
    1,153,175.40x = 888,195,124,085.49
  5. Step 5: Solve for x
    x = 888,195,124,085.49/1,153,175.40
  6. Step 6: Final answer
    x = 770,216.85

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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.