Home / 1,207,899-1,667,004.30-671,458.68

Finding the Fourth Proportional to 1,207,899, 1,667,004.30 and 671,458.68

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Solution

The fourth proportional to 1,207,899, 1,667,004.30 and 671,458.68 is: 926,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,899 : 1,667,004.30 = 671,458.68 : x
  2. Step 2: Convert to fraction form
    1,207,899/1,667,004.30 = 671,458.68/x
  3. Step 3: Cross multiply
    1,207,899x = 1,667,004.30 × 671,458.68
  4. Step 4: Simplify right side
    1,207,899x = 1,119,324,506,832.32
  5. Step 5: Solve for x
    x = 1,119,324,506,832.32/1,207,899
  6. Step 6: Final answer
    x = 926,670.61

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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.