Home / 1,615,382.32-2,229,242.74-890,256.56

Finding the Fourth Proportional to 1,615,382.32, 2,229,242.74 and 890,256.56

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Solution

The fourth proportional to 1,615,382.32, 2,229,242.74 and 890,256.56 is: 1,228,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,382.32 : 2,229,242.74 = 890,256.56 : x
  2. Step 2: Convert to fraction form
    1,615,382.32/2,229,242.74 = 890,256.56/x
  3. Step 3: Cross multiply
    1,615,382.32x = 2,229,242.74 × 890,256.56
  4. Step 4: Simplify right side
    1,615,382.32x = 1,984,597,973,117.37
  5. Step 5: Solve for x
    x = 1,984,597,973,117.37/1,615,382.32
  6. Step 6: Final answer
    x = 1,228,562.40

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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.