Home / 1,087,011.76-1,623,197.62-887,727.46

Finding the Fourth Proportional to 1,087,011.76, 1,623,197.62 and 887,727.46

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Solution

The fourth proportional to 1,087,011.76, 1,623,197.62 and 887,727.46 is: 1,325,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,011.76 : 1,623,197.62 = 887,727.46 : x
  2. Step 2: Convert to fraction form
    1,087,011.76/1,623,197.62 = 887,727.46/x
  3. Step 3: Cross multiply
    1,087,011.76x = 1,623,197.62 × 887,727.46
  4. Step 4: Simplify right side
    1,087,011.76x = 1,440,957,100,280.65
  5. Step 5: Solve for x
    x = 1,440,957,100,280.65/1,087,011.76
  6. Step 6: Final answer
    x = 1,325,613.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.