Home / 1,419,878.63-1,959,424.69-775,294.24

Finding the Fourth Proportional to 1,419,878.63, 1,959,424.69 and 775,294.24

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Solution

The fourth proportional to 1,419,878.63, 1,959,424.69 and 775,294.24 is: 1,069,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,878.63 : 1,959,424.69 = 775,294.24 : x
  2. Step 2: Convert to fraction form
    1,419,878.63/1,959,424.69 = 775,294.24/x
  3. Step 3: Cross multiply
    1,419,878.63x = 1,959,424.69 × 775,294.24
  4. Step 4: Simplify right side
    1,419,878.63x = 1,519,130,675,870.79
  5. Step 5: Solve for x
    x = 1,519,130,675,870.79/1,419,878.63
  6. Step 6: Final answer
    x = 1,069,901.78

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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.