Home / 1,489,678.83-2,056,453.52-953,445.87

Finding the Fourth Proportional to 1,489,678.83, 2,056,453.52 and 953,445.87

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Solution

The fourth proportional to 1,489,678.83, 2,056,453.52 and 953,445.87 is: 1,316,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,678.83 : 2,056,453.52 = 953,445.87 : x
  2. Step 2: Convert to fraction form
    1,489,678.83/2,056,453.52 = 953,445.87/x
  3. Step 3: Cross multiply
    1,489,678.83x = 2,056,453.52 × 953,445.87
  4. Step 4: Simplify right side
    1,489,678.83x = 1,960,717,110,723.73
  5. Step 5: Solve for x
    x = 1,960,717,110,723.73/1,489,678.83
  6. Step 6: Final answer
    x = 1,316,201.23

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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.