Home / 1,172,102.40-1,758,736.80-667,051.20

Finding the Fourth Proportional to 1,172,102.40, 1,758,736.80 and 667,051.20

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Solution

The fourth proportional to 1,172,102.40, 1,758,736.80 and 667,051.20 is: 1,000,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,102.40 : 1,758,736.80 = 667,051.20 : x
  2. Step 2: Convert to fraction form
    1,172,102.40/1,758,736.80 = 667,051.20/x
  3. Step 3: Cross multiply
    1,172,102.40x = 1,758,736.80 × 667,051.20
  4. Step 4: Simplify right side
    1,172,102.40x = 1,173,167,492,924.16
  5. Step 5: Solve for x
    x = 1,173,167,492,924.16/1,172,102.40
  6. Step 6: Final answer
    x = 1,000,908.70

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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.