Home / 1,441,445.92-1,989,195.12-788,074.24

Finding the Fourth Proportional to 1,441,445.92, 1,989,195.12 and 788,074.24

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Solution

The fourth proportional to 1,441,445.92, 1,989,195.12 and 788,074.24 is: 1,087,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,445.92 : 1,989,195.12 = 788,074.24 : x
  2. Step 2: Convert to fraction form
    1,441,445.92/1,989,195.12 = 788,074.24/x
  3. Step 3: Cross multiply
    1,441,445.92x = 1,989,195.12 × 788,074.24
  4. Step 4: Simplify right side
    1,441,445.92x = 1,567,633,432,405.71
  5. Step 5: Solve for x
    x = 1,567,633,432,405.71/1,441,445.92
  6. Step 6: Final answer
    x = 1,087,542.31

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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.