Home / 1,521,619.64-2,099,809.46-842,541.56

Finding the Fourth Proportional to 1,521,619.64, 2,099,809.46 and 842,541.56

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Solution

The fourth proportional to 1,521,619.64, 2,099,809.46 and 842,541.56 is: 1,162,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,619.64 : 2,099,809.46 = 842,541.56 : x
  2. Step 2: Convert to fraction form
    1,521,619.64/2,099,809.46 = 842,541.56/x
  3. Step 3: Cross multiply
    1,521,619.64x = 2,099,809.46 × 842,541.56
  4. Step 4: Simplify right side
    1,521,619.64x = 1,769,176,738,131.16
  5. Step 5: Solve for x
    x = 1,769,176,738,131.16/1,521,619.64
  6. Step 6: Final answer
    x = 1,162,693.15

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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.