Home / 1,294,397.24-1,786,329.32-721,441.51

Finding the Fourth Proportional to 1,294,397.24, 1,786,329.32 and 721,441.51

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Solution

The fourth proportional to 1,294,397.24, 1,786,329.32 and 721,441.51 is: 995,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,397.24 : 1,786,329.32 = 721,441.51 : x
  2. Step 2: Convert to fraction form
    1,294,397.24/1,786,329.32 = 721,441.51/x
  3. Step 3: Cross multiply
    1,294,397.24x = 1,786,329.32 × 721,441.51
  4. Step 4: Simplify right side
    1,294,397.24x = 1,288,732,113,905.04
  5. Step 5: Solve for x
    x = 1,288,732,113,905.04/1,294,397.24
  6. Step 6: Final answer
    x = 995,623.35

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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.