Home / 1,050,390.48-1,449,456.96-620,589.12

Finding the Fourth Proportional to 1,050,390.48, 1,449,456.96 and 620,589.12

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Solution

The fourth proportional to 1,050,390.48, 1,449,456.96 and 620,589.12 is: 856,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,390.48 : 1,449,456.96 = 620,589.12 : x
  2. Step 2: Convert to fraction form
    1,050,390.48/1,449,456.96 = 620,589.12/x
  3. Step 3: Cross multiply
    1,050,390.48x = 1,449,456.96 × 620,589.12
  4. Step 4: Simplify right side
    1,050,390.48x = 899,517,219,284.28
  5. Step 5: Solve for x
    x = 899,517,219,284.28/1,050,390.48
  6. Step 6: Final answer
    x = 856,364.60

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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.