Home / 1,161,722.30-1,603,350-916,144.07

Finding the Fourth Proportional to 1,161,722.30, 1,603,350 and 916,144.07

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Solution

The fourth proportional to 1,161,722.30, 1,603,350 and 916,144.07 is: 1,264,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,722.30 : 1,603,350 = 916,144.07 : x
  2. Step 2: Convert to fraction form
    1,161,722.30/1,603,350 = 916,144.07/x
  3. Step 3: Cross multiply
    1,161,722.30x = 1,603,350 × 916,144.07
  4. Step 4: Simplify right side
    1,161,722.30x = 1,468,899,586,617.75
  5. Step 5: Solve for x
    x = 1,468,899,586,617.75/1,161,722.30
  6. Step 6: Final answer
    x = 1,264,415.42

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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.