Home / 1,191,711.27-1,787,005.04-433,017.75

Finding the Fourth Proportional to 1,191,711.27, 1,787,005.04 and 433,017.75

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Solution

The fourth proportional to 1,191,711.27, 1,787,005.04 and 433,017.75 is: 649,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,711.27 : 1,787,005.04 = 433,017.75 : x
  2. Step 2: Convert to fraction form
    1,191,711.27/1,787,005.04 = 433,017.75/x
  3. Step 3: Cross multiply
    1,191,711.27x = 1,787,005.04 × 433,017.75
  4. Step 4: Simplify right side
    1,191,711.27x = 773,804,899,494.37
  5. Step 5: Solve for x
    x = 773,804,899,494.37/1,191,711.27
  6. Step 6: Final answer
    x = 649,322.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.