Home / 1,179,587.25-1,768,931.24-421,287.12

Finding the Fourth Proportional to 1,179,587.25, 1,768,931.24 and 421,287.12

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Solution

The fourth proportional to 1,179,587.25, 1,768,931.24 and 421,287.12 is: 631,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,587.25 : 1,768,931.24 = 421,287.12 : x
  2. Step 2: Convert to fraction form
    1,179,587.25/1,768,931.24 = 421,287.12/x
  3. Step 3: Cross multiply
    1,179,587.25x = 1,768,931.24 × 421,287.12
  4. Step 4: Simplify right side
    1,179,587.25x = 745,227,945,471.19
  5. Step 5: Solve for x
    x = 745,227,945,471.19/1,179,587.25
  6. Step 6: Final answer
    x = 631,770.09

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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.