Home / 1,146,656.58-1,720,242.45-388,454.46

Finding the Fourth Proportional to 1,146,656.58, 1,720,242.45 and 388,454.46

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Solution

The fourth proportional to 1,146,656.58, 1,720,242.45 and 388,454.46 is: 582,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,656.58 : 1,720,242.45 = 388,454.46 : x
  2. Step 2: Convert to fraction form
    1,146,656.58/1,720,242.45 = 388,454.46/x
  3. Step 3: Cross multiply
    1,146,656.58x = 1,720,242.45 × 388,454.46
  4. Step 4: Simplify right side
    1,146,656.58x = 668,235,851,983.83
  5. Step 5: Solve for x
    x = 668,235,851,983.83/1,146,656.58
  6. Step 6: Final answer
    x = 582,768.95

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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.