Home / 1,073,169.72-1,480,651.25-643,293

Finding the Fourth Proportional to 1,073,169.72, 1,480,651.25 and 643,293

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Solution

The fourth proportional to 1,073,169.72, 1,480,651.25 and 643,293 is: 887,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,169.72 : 1,480,651.25 = 643,293 : x
  2. Step 2: Convert to fraction form
    1,073,169.72/1,480,651.25 = 643,293/x
  3. Step 3: Cross multiply
    1,073,169.72x = 1,480,651.25 × 643,293
  4. Step 4: Simplify right side
    1,073,169.72x = 952,492,581,349.79
  5. Step 5: Solve for x
    x = 952,492,581,349.79/1,073,169.72
  6. Step 6: Final answer
    x = 887,550.74

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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.