Home / 1,110,879.66-1,532,579.92-645,656.24

Finding the Fourth Proportional to 1,110,879.66, 1,532,579.92 and 645,656.24

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Solution

The fourth proportional to 1,110,879.66, 1,532,579.92 and 645,656.24 is: 890,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,879.66 : 1,532,579.92 = 645,656.24 : x
  2. Step 2: Convert to fraction form
    1,110,879.66/1,532,579.92 = 645,656.24/x
  3. Step 3: Cross multiply
    1,110,879.66x = 1,532,579.92 × 645,656.24
  4. Step 4: Simplify right side
    1,110,879.66x = 989,519,788,646.70
  5. Step 5: Solve for x
    x = 989,519,788,646.70/1,110,879.66
  6. Step 6: Final answer
    x = 890,753.36

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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.