Home / 1,273,420.11-1,757,569.29-729,919.83

Finding the Fourth Proportional to 1,273,420.11, 1,757,569.29 and 729,919.83

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Solution

The fourth proportional to 1,273,420.11, 1,757,569.29 and 729,919.83 is: 1,007,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,420.11 : 1,757,569.29 = 729,919.83 : x
  2. Step 2: Convert to fraction form
    1,273,420.11/1,757,569.29 = 729,919.83/x
  3. Step 3: Cross multiply
    1,273,420.11x = 1,757,569.29 × 729,919.83
  4. Step 4: Simplify right side
    1,273,420.11x = 1,282,884,677,370.02
  5. Step 5: Solve for x
    x = 1,282,884,677,370.02/1,273,420.11
  6. Step 6: Final answer
    x = 1,007,432.40

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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.