Home / 1,630,646.32-2,250,216.30-905,540.26

Finding the Fourth Proportional to 1,630,646.32, 2,250,216.30 and 905,540.26

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Solution

The fourth proportional to 1,630,646.32, 2,250,216.30 and 905,540.26 is: 1,249,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,646.32 : 2,250,216.30 = 905,540.26 : x
  2. Step 2: Convert to fraction form
    1,630,646.32/2,250,216.30 = 905,540.26/x
  3. Step 3: Cross multiply
    1,630,646.32x = 2,250,216.30 × 905,540.26
  4. Step 4: Simplify right side
    1,630,646.32x = 2,037,661,453,358.24
  5. Step 5: Solve for x
    x = 2,037,661,453,358.24/1,630,646.32
  6. Step 6: Final answer
    x = 1,249,603.56

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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.