Home / 1,187,785.44-1,637,002.08-864,984.24

Finding the Fourth Proportional to 1,187,785.44, 1,637,002.08 and 864,984.24

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Solution

The fourth proportional to 1,187,785.44, 1,637,002.08 and 864,984.24 is: 1,192,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,785.44 : 1,637,002.08 = 864,984.24 : x
  2. Step 2: Convert to fraction form
    1,187,785.44/1,637,002.08 = 864,984.24/x
  3. Step 3: Cross multiply
    1,187,785.44x = 1,637,002.08 × 864,984.24
  4. Step 4: Simplify right side
    1,187,785.44x = 1,415,981,000,047.22
  5. Step 5: Solve for x
    x = 1,415,981,000,047.22/1,187,785.44
  6. Step 6: Final answer
    x = 1,192,118.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.