Home / 1,630,862.88-2,250,529.06-905,757.28

Finding the Fourth Proportional to 1,630,862.88, 2,250,529.06 and 905,757.28

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Solution

The fourth proportional to 1,630,862.88, 2,250,529.06 and 905,757.28 is: 1,249,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,862.88 : 2,250,529.06 = 905,757.28 : x
  2. Step 2: Convert to fraction form
    1,630,862.88/2,250,529.06 = 905,757.28/x
  3. Step 3: Cross multiply
    1,630,862.88x = 2,250,529.06 × 905,757.28
  4. Step 4: Simplify right side
    1,630,862.88x = 2,038,433,079,946.56
  5. Step 5: Solve for x
    x = 2,038,433,079,946.56/1,630,862.88
  6. Step 6: Final answer
    x = 1,249,910.77

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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.