Home / 1,240,739.28-1,860,091.79-441,565.74

Finding the Fourth Proportional to 1,240,739.28, 1,860,091.79 and 441,565.74

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Solution

The fourth proportional to 1,240,739.28, 1,860,091.79 and 441,565.74 is: 661,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,739.28 : 1,860,091.79 = 441,565.74 : x
  2. Step 2: Convert to fraction form
    1,240,739.28/1,860,091.79 = 441,565.74/x
  3. Step 3: Cross multiply
    1,240,739.28x = 1,860,091.79 × 441,565.74
  4. Step 4: Simplify right side
    1,240,739.28x = 821,352,805,511.45
  5. Step 5: Solve for x
    x = 821,352,805,511.45/1,240,739.28
  6. Step 6: Final answer
    x = 661,986.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.