Home / 1,154,724.88-1,719,911.08-1,102,914.86

Finding the Fourth Proportional to 1,154,724.88, 1,719,911.08 and 1,102,914.86

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Solution

The fourth proportional to 1,154,724.88, 1,719,911.08 and 1,102,914.86 is: 1,642,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,724.88 : 1,719,911.08 = 1,102,914.86 : x
  2. Step 2: Convert to fraction form
    1,154,724.88/1,719,911.08 = 1,102,914.86/x
  3. Step 3: Cross multiply
    1,154,724.88x = 1,719,911.08 × 1,102,914.86
  4. Step 4: Simplify right side
    1,154,724.88x = 1,896,915,488,010.65
  5. Step 5: Solve for x
    x = 1,896,915,488,010.65/1,154,724.88
  6. Step 6: Final answer
    x = 1,642,742.37

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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.