Home / 1,296,811.32-1,789,898.22-760,440.12

Finding the Fourth Proportional to 1,296,811.32, 1,789,898.22 and 760,440.12

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Solution

The fourth proportional to 1,296,811.32, 1,789,898.22 and 760,440.12 is: 1,049,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,811.32 : 1,789,898.22 = 760,440.12 : x
  2. Step 2: Convert to fraction form
    1,296,811.32/1,789,898.22 = 760,440.12/x
  3. Step 3: Cross multiply
    1,296,811.32x = 1,789,898.22 × 760,440.12
  4. Step 4: Simplify right side
    1,296,811.32x = 1,361,110,417,204.59
  5. Step 5: Solve for x
    x = 1,361,110,417,204.59/1,296,811.32
  6. Step 6: Final answer
    x = 1,049,582.46

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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.