Home / 1,630,868.08-2,250,672.72-905,719.12

Finding the Fourth Proportional to 1,630,868.08, 2,250,672.72 and 905,719.12

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Solution

The fourth proportional to 1,630,868.08, 2,250,672.72 and 905,719.12 is: 1,249,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,868.08 : 2,250,672.72 = 905,719.12 : x
  2. Step 2: Convert to fraction form
    1,630,868.08/2,250,672.72 = 905,719.12/x
  3. Step 3: Cross multiply
    1,630,868.08x = 2,250,672.72 × 905,719.12
  4. Step 4: Simplify right side
    1,630,868.08x = 2,038,477,315,366.41
  5. Step 5: Solve for x
    x = 2,038,477,315,366.41/1,630,868.08
  6. Step 6: Final answer
    x = 1,249,933.91

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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.