Home / 1,294,712.10-1,941,290.55-664,856.10

Finding the Fourth Proportional to 1,294,712.10, 1,941,290.55 and 664,856.10

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Solution

The fourth proportional to 1,294,712.10, 1,941,290.55 and 664,856.10 is: 996,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,712.10 : 1,941,290.55 = 664,856.10 : x
  2. Step 2: Convert to fraction form
    1,294,712.10/1,941,290.55 = 664,856.10/x
  3. Step 3: Cross multiply
    1,294,712.10x = 1,941,290.55 × 664,856.10
  4. Step 4: Simplify right side
    1,294,712.10x = 1,290,678,864,039.86
  5. Step 5: Solve for x
    x = 1,290,678,864,039.86/1,294,712.10
  6. Step 6: Final answer
    x = 996,884.84

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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.