Home / 1,581,624.68-2,182,798.18-902,662.76

Finding the Fourth Proportional to 1,581,624.68, 2,182,798.18 and 902,662.76

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Solution

The fourth proportional to 1,581,624.68, 2,182,798.18 and 902,662.76 is: 1,245,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,624.68 : 2,182,798.18 = 902,662.76 : x
  2. Step 2: Convert to fraction form
    1,581,624.68/2,182,798.18 = 902,662.76/x
  3. Step 3: Cross multiply
    1,581,624.68x = 2,182,798.18 × 902,662.76
  4. Step 4: Simplify right side
    1,581,624.68x = 1,970,330,629,681.78
  5. Step 5: Solve for x
    x = 1,970,330,629,681.78/1,581,624.68
  6. Step 6: Final answer
    x = 1,245,763.71

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Double scale
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1.5x scale

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.