Home / 1,297,559.37-1,790,646.96-716,770.47

Finding the Fourth Proportional to 1,297,559.37, 1,790,646.96 and 716,770.47

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Solution

The fourth proportional to 1,297,559.37, 1,790,646.96 and 716,770.47 is: 989,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,559.37 : 1,790,646.96 = 716,770.47 : x
  2. Step 2: Convert to fraction form
    1,297,559.37/1,790,646.96 = 716,770.47/x
  3. Step 3: Cross multiply
    1,297,559.37x = 1,790,646.96 × 716,770.47
  4. Step 4: Simplify right side
    1,297,559.37x = 1,283,482,863,123.27
  5. Step 5: Solve for x
    x = 1,283,482,863,123.27/1,297,559.37
  6. Step 6: Final answer
    x = 989,151.55

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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.