Home / 1,723,559.31-2,378,511.90-998,547.21

Finding the Fourth Proportional to 1,723,559.31, 2,378,511.90 and 998,547.21

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Solution

The fourth proportional to 1,723,559.31, 2,378,511.90 and 998,547.21 is: 1,377,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,559.31 : 2,378,511.90 = 998,547.21 : x
  2. Step 2: Convert to fraction form
    1,723,559.31/2,378,511.90 = 998,547.21/x
  3. Step 3: Cross multiply
    1,723,559.31x = 2,378,511.90 × 998,547.21
  4. Step 4: Simplify right side
    1,723,559.31x = 2,375,056,421,696.80
  5. Step 5: Solve for x
    x = 2,375,056,421,696.80/1,723,559.31
  6. Step 6: Final answer
    x = 1,377,995.18

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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.