Home / 1,715,869.26-2,368,109.57-990,715.76

Finding the Fourth Proportional to 1,715,869.26, 2,368,109.57 and 990,715.76

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Solution

The fourth proportional to 1,715,869.26, 2,368,109.57 and 990,715.76 is: 1,367,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,869.26 : 2,368,109.57 = 990,715.76 : x
  2. Step 2: Convert to fraction form
    1,715,869.26/2,368,109.57 = 990,715.76/x
  3. Step 3: Cross multiply
    1,715,869.26x = 2,368,109.57 × 990,715.76
  4. Step 4: Simplify right side
    1,715,869.26x = 2,346,123,473,372.52
  5. Step 5: Solve for x
    x = 2,346,123,473,372.52/1,715,869.26
  6. Step 6: Final answer
    x = 1,367,308.99

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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.