Home / 1,419,829.17-1,959,443.64-775,309.20

Finding the Fourth Proportional to 1,419,829.17, 1,959,443.64 and 775,309.20

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Solution

The fourth proportional to 1,419,829.17, 1,959,443.64 and 775,309.20 is: 1,069,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,829.17 : 1,959,443.64 = 775,309.20 : x
  2. Step 2: Convert to fraction form
    1,419,829.17/1,959,443.64 = 775,309.20/x
  3. Step 3: Cross multiply
    1,419,829.17x = 1,959,443.64 × 775,309.20
  4. Step 4: Simplify right side
    1,419,829.17x = 1,519,174,680,973.49
  5. Step 5: Solve for x
    x = 1,519,174,680,973.49/1,419,829.17
  6. Step 6: Final answer
    x = 1,069,970.05

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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.