Home / 1,312,867.26-1,811,788.85-732,084.72

Finding the Fourth Proportional to 1,312,867.26, 1,811,788.85 and 732,084.72

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Solution

The fourth proportional to 1,312,867.26, 1,811,788.85 and 732,084.72 is: 1,010,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,867.26 : 1,811,788.85 = 732,084.72 : x
  2. Step 2: Convert to fraction form
    1,312,867.26/1,811,788.85 = 732,084.72/x
  3. Step 3: Cross multiply
    1,312,867.26x = 1,811,788.85 × 732,084.72
  4. Step 4: Simplify right side
    1,312,867.26x = 1,326,382,926,265.80
  5. Step 5: Solve for x
    x = 1,326,382,926,265.80/1,312,867.26
  6. Step 6: Final answer
    x = 1,010,294.77

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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.