Home / 1,360,991.16-2,040,114.40-855,913.10

Finding the Fourth Proportional to 1,360,991.16, 2,040,114.40 and 855,913.10

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Solution

The fourth proportional to 1,360,991.16, 2,040,114.40 and 855,913.10 is: 1,283,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,991.16 : 2,040,114.40 = 855,913.10 : x
  2. Step 2: Convert to fraction form
    1,360,991.16/2,040,114.40 = 855,913.10/x
  3. Step 3: Cross multiply
    1,360,991.16x = 2,040,114.40 × 855,913.10
  4. Step 4: Simplify right side
    1,360,991.16x = 1,746,160,625,978.50
  5. Step 5: Solve for x
    x = 1,746,160,625,978.50/1,360,991.16
  6. Step 6: Final answer
    x = 1,283,006.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.