Home / 1,312,257.26-1,811,022.67-739,336.16

Finding the Fourth Proportional to 1,312,257.26, 1,811,022.67 and 739,336.16

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Solution

The fourth proportional to 1,312,257.26, 1,811,022.67 and 739,336.16 is: 1,020,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,257.26 : 1,811,022.67 = 739,336.16 : x
  2. Step 2: Convert to fraction form
    1,312,257.26/1,811,022.67 = 739,336.16/x
  3. Step 3: Cross multiply
    1,312,257.26x = 1,811,022.67 × 739,336.16
  4. Step 4: Simplify right side
    1,312,257.26x = 1,338,954,551,962.47
  5. Step 5: Solve for x
    x = 1,338,954,551,962.47/1,312,257.26
  6. Step 6: Final answer
    x = 1,020,344.55

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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.