Home / 1,172,739.75-1,759,113.27-286,275.75

Finding the Fourth Proportional to 1,172,739.75, 1,759,113.27 and 286,275.75

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Solution

The fourth proportional to 1,172,739.75, 1,759,113.27 and 286,275.75 is: 429,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,739.75 : 1,759,113.27 = 286,275.75 : x
  2. Step 2: Convert to fraction form
    1,172,739.75/1,759,113.27 = 286,275.75/x
  3. Step 3: Cross multiply
    1,172,739.75x = 1,759,113.27 × 286,275.75
  4. Step 4: Simplify right side
    1,172,739.75x = 503,591,470,704.20
  5. Step 5: Solve for x
    x = 503,591,470,704.20/1,172,739.75
  6. Step 6: Final answer
    x = 429,414.51

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1.5x scale

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.