Home / 1,272,298.59-1,908,446.67-325,667.79

Finding the Fourth Proportional to 1,272,298.59, 1,908,446.67 and 325,667.79

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Solution

The fourth proportional to 1,272,298.59, 1,908,446.67 and 325,667.79 is: 488,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,298.59 : 1,908,446.67 = 325,667.79 : x
  2. Step 2: Convert to fraction form
    1,272,298.59/1,908,446.67 = 325,667.79/x
  3. Step 3: Cross multiply
    1,272,298.59x = 1,908,446.67 × 325,667.79
  4. Step 4: Simplify right side
    1,272,298.59x = 621,519,609,351.76
  5. Step 5: Solve for x
    x = 621,519,609,351.76/1,272,298.59
  6. Step 6: Final answer
    x = 488,501.37

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Double scale
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Similar ratio
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1.5x scale

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.