Home / 1,573,138.31-2,171,097.34-961,649.06

Finding the Fourth Proportional to 1,573,138.31, 2,171,097.34 and 961,649.06

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Solution

The fourth proportional to 1,573,138.31, 2,171,097.34 and 961,649.06 is: 1,327,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,138.31 : 2,171,097.34 = 961,649.06 : x
  2. Step 2: Convert to fraction form
    1,573,138.31/2,171,097.34 = 961,649.06/x
  3. Step 3: Cross multiply
    1,573,138.31x = 2,171,097.34 × 961,649.06
  4. Step 4: Simplify right side
    1,573,138.31x = 2,087,833,702,919.89
  5. Step 5: Solve for x
    x = 2,087,833,702,919.89/1,573,138.31
  6. Step 6: Final answer
    x = 1,327,177.46

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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.