Home / 1,341,120.32-1,851,511.20-889,023.68

Finding the Fourth Proportional to 1,341,120.32, 1,851,511.20 and 889,023.68

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Solution

The fourth proportional to 1,341,120.32, 1,851,511.20 and 889,023.68 is: 1,227,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,120.32 : 1,851,511.20 = 889,023.68 : x
  2. Step 2: Convert to fraction form
    1,341,120.32/1,851,511.20 = 889,023.68/x
  3. Step 3: Cross multiply
    1,341,120.32x = 1,851,511.20 × 889,023.68
  4. Step 4: Simplify right side
    1,341,120.32x = 1,646,037,300,585.22
  5. Step 5: Solve for x
    x = 1,646,037,300,585.22/1,341,120.32
  6. Step 6: Final answer
    x = 1,227,359.90

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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.