Home / 1,781,756.86-2,672,635.24-821,928.48

Finding the Fourth Proportional to 1,781,756.86, 2,672,635.24 and 821,928.48

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Solution

The fourth proportional to 1,781,756.86, 2,672,635.24 and 821,928.48 is: 1,232,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,756.86 : 2,672,635.24 = 821,928.48 : x
  2. Step 2: Convert to fraction form
    1,781,756.86/2,672,635.24 = 821,928.48/x
  3. Step 3: Cross multiply
    1,781,756.86x = 2,672,635.24 × 821,928.48
  4. Step 4: Simplify right side
    1,781,756.86x = 2,196,715,030,430.02
  5. Step 5: Solve for x
    x = 2,196,715,030,430.02/1,781,756.86
  6. Step 6: Final answer
    x = 1,232,892.70

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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.