Home / 1,236,470.88-1,710,086.40-1,109,100

Finding the Fourth Proportional to 1,236,470.88, 1,710,086.40 and 1,109,100

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Solution

The fourth proportional to 1,236,470.88, 1,710,086.40 and 1,109,100 is: 1,533,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,470.88 : 1,710,086.40 = 1,109,100 : x
  2. Step 2: Convert to fraction form
    1,236,470.88/1,710,086.40 = 1,109,100/x
  3. Step 3: Cross multiply
    1,236,470.88x = 1,710,086.40 × 1,109,100
  4. Step 4: Simplify right side
    1,236,470.88x = 1,896,656,826,240
  5. Step 5: Solve for x
    x = 1,896,656,826,240/1,236,470.88
  6. Step 6: Final answer
    x = 1,533,927.61

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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.