Home / 1,073,014.43-1,480,888.64-643,530.83

Finding the Fourth Proportional to 1,073,014.43, 1,480,888.64 and 643,530.83

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Solution

The fourth proportional to 1,073,014.43, 1,480,888.64 and 643,530.83 is: 888,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,014.43 : 1,480,888.64 = 643,530.83 : x
  2. Step 2: Convert to fraction form
    1,073,014.43/1,480,888.64 = 643,530.83/x
  3. Step 3: Cross multiply
    1,073,014.43x = 1,480,888.64 × 643,530.83
  4. Step 4: Simplify right side
    1,073,014.43x = 952,997,489,841.16
  5. Step 5: Solve for x
    x = 952,997,489,841.16/1,073,014.43
  6. Step 6: Final answer
    x = 888,149.75

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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.