Home / 1,245,882.51-1,719,697.88-722,725.34

Finding the Fourth Proportional to 1,245,882.51, 1,719,697.88 and 722,725.34

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Solution

The fourth proportional to 1,245,882.51, 1,719,697.88 and 722,725.34 is: 997,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,882.51 : 1,719,697.88 = 722,725.34 : x
  2. Step 2: Convert to fraction form
    1,245,882.51/1,719,697.88 = 722,725.34/x
  3. Step 3: Cross multiply
    1,245,882.51x = 1,719,697.88 × 722,725.34
  4. Step 4: Simplify right side
    1,245,882.51x = 1,242,869,222,808.16
  5. Step 5: Solve for x
    x = 1,242,869,222,808.16/1,245,882.51
  6. Step 6: Final answer
    x = 997,581.40

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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.