Home / 1,239,289.20-1,710,078.48-695,311.56

Finding the Fourth Proportional to 1,239,289.20, 1,710,078.48 and 695,311.56

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Solution

The fourth proportional to 1,239,289.20, 1,710,078.48 and 695,311.56 is: 959,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,289.20 : 1,710,078.48 = 695,311.56 : x
  2. Step 2: Convert to fraction form
    1,239,289.20/1,710,078.48 = 695,311.56/x
  3. Step 3: Cross multiply
    1,239,289.20x = 1,710,078.48 × 695,311.56
  4. Step 4: Simplify right side
    1,239,289.20x = 1,189,037,335,651.23
  5. Step 5: Solve for x
    x = 1,189,037,335,651.23/1,239,289.20
  6. Step 6: Final answer
    x = 959,451.06

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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.