Home / 1,370,784.52-1,891,682.40-767,172.52

Finding the Fourth Proportional to 1,370,784.52, 1,891,682.40 and 767,172.52

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Solution

The fourth proportional to 1,370,784.52, 1,891,682.40 and 767,172.52 is: 1,058,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,784.52 : 1,891,682.40 = 767,172.52 : x
  2. Step 2: Convert to fraction form
    1,370,784.52/1,891,682.40 = 767,172.52/x
  3. Step 3: Cross multiply
    1,370,784.52x = 1,891,682.40 × 767,172.52
  4. Step 4: Simplify right side
    1,370,784.52x = 1,451,246,753,847.65
  5. Step 5: Solve for x
    x = 1,451,246,753,847.65/1,370,784.52
  6. Step 6: Final answer
    x = 1,058,697.94

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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.