Home / 1,213,515.27-1,674,811.89-730,348.65

Finding the Fourth Proportional to 1,213,515.27, 1,674,811.89 and 730,348.65

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Solution

The fourth proportional to 1,213,515.27, 1,674,811.89 and 730,348.65 is: 1,007,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,515.27 : 1,674,811.89 = 730,348.65 : x
  2. Step 2: Convert to fraction form
    1,213,515.27/1,674,811.89 = 730,348.65/x
  3. Step 3: Cross multiply
    1,213,515.27x = 1,674,811.89 × 730,348.65
  4. Step 4: Simplify right side
    1,213,515.27x = 1,223,196,602,865.45
  5. Step 5: Solve for x
    x = 1,223,196,602,865.45/1,213,515.27
  6. Step 6: Final answer
    x = 1,007,977.92

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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.