Home / 1,100,528.24-1,518,745.02-641,630.32

Finding the Fourth Proportional to 1,100,528.24, 1,518,745.02 and 641,630.32

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Solution

The fourth proportional to 1,100,528.24, 1,518,745.02 and 641,630.32 is: 885,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,528.24 : 1,518,745.02 = 641,630.32 : x
  2. Step 2: Convert to fraction form
    1,100,528.24/1,518,745.02 = 641,630.32/x
  3. Step 3: Cross multiply
    1,100,528.24x = 1,518,745.02 × 641,630.32
  4. Step 4: Simplify right side
    1,100,528.24x = 974,472,853,181.01
  5. Step 5: Solve for x
    x = 974,472,853,181.01/1,100,528.24
  6. Step 6: Final answer
    x = 885,459.20

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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.