Home / 1,478,819.71-2,040,865.70-834,004.63

Finding the Fourth Proportional to 1,478,819.71, 2,040,865.70 and 834,004.63

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Solution

The fourth proportional to 1,478,819.71, 2,040,865.70 and 834,004.63 is: 1,150,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,819.71 : 2,040,865.70 = 834,004.63 : x
  2. Step 2: Convert to fraction form
    1,478,819.71/2,040,865.70 = 834,004.63/x
  3. Step 3: Cross multiply
    1,478,819.71x = 2,040,865.70 × 834,004.63
  4. Step 4: Simplify right side
    1,478,819.71x = 1,702,091,443,008.19
  5. Step 5: Solve for x
    x = 1,702,091,443,008.19/1,478,819.71
  6. Step 6: Final answer
    x = 1,150,979.68

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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.