Home / 1,452,347.82-2,004,099.66-840,378.78

Finding the Fourth Proportional to 1,452,347.82, 2,004,099.66 and 840,378.78

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Solution

The fourth proportional to 1,452,347.82, 2,004,099.66 and 840,378.78 is: 1,159,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,347.82 : 2,004,099.66 = 840,378.78 : x
  2. Step 2: Convert to fraction form
    1,452,347.82/2,004,099.66 = 840,378.78/x
  3. Step 3: Cross multiply
    1,452,347.82x = 2,004,099.66 × 840,378.78
  4. Step 4: Simplify right side
    1,452,347.82x = 1,684,202,827,269.22
  5. Step 5: Solve for x
    x = 1,684,202,827,269.22/1,452,347.82
  6. Step 6: Final answer
    x = 1,159,641.52

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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.