Home / 1,242,919.86-1,715,361.02-759,767.82

Finding the Fourth Proportional to 1,242,919.86, 1,715,361.02 and 759,767.82

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Solution

The fourth proportional to 1,242,919.86, 1,715,361.02 and 759,767.82 is: 1,048,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,919.86 : 1,715,361.02 = 759,767.82 : x
  2. Step 2: Convert to fraction form
    1,242,919.86/1,715,361.02 = 759,767.82/x
  3. Step 3: Cross multiply
    1,242,919.86x = 1,715,361.02 × 759,767.82
  4. Step 4: Simplify right side
    1,242,919.86x = 1,303,276,102,678.38
  5. Step 5: Solve for x
    x = 1,303,276,102,678.38/1,242,919.86
  6. Step 6: Final answer
    x = 1,048,560.04

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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.