Home / 1,630,642.32-2,250,210.78-905,536.26

Finding the Fourth Proportional to 1,630,642.32, 2,250,210.78 and 905,536.26

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Solution

The fourth proportional to 1,630,642.32, 2,250,210.78 and 905,536.26 is: 1,249,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,642.32 : 2,250,210.78 = 905,536.26 : x
  2. Step 2: Convert to fraction form
    1,630,642.32/2,250,210.78 = 905,536.26/x
  3. Step 3: Cross multiply
    1,630,642.32x = 2,250,210.78 × 905,536.26
  4. Step 4: Simplify right side
    1,630,642.32x = 2,037,647,453,932.88
  5. Step 5: Solve for x
    x = 2,037,647,453,932.88/1,630,642.32
  6. Step 6: Final answer
    x = 1,249,598.04

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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.