Home / 1,569,708.64-2,166,133.92-890,630.56

Finding the Fourth Proportional to 1,569,708.64, 2,166,133.92 and 890,630.56

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Solution

The fourth proportional to 1,569,708.64, 2,166,133.92 and 890,630.56 is: 1,229,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,708.64 : 2,166,133.92 = 890,630.56 : x
  2. Step 2: Convert to fraction form
    1,569,708.64/2,166,133.92 = 890,630.56/x
  3. Step 3: Cross multiply
    1,569,708.64x = 2,166,133.92 × 890,630.56
  4. Step 4: Simplify right side
    1,569,708.64x = 1,929,225,066,204.60
  5. Step 5: Solve for x
    x = 1,929,225,066,204.60/1,569,708.64
  6. Step 6: Final answer
    x = 1,229,033.86

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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.