Home / 1,677,268.86-2,516,305.48-540,138.22

Finding the Fourth Proportional to 1,677,268.86, 2,516,305.48 and 540,138.22

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Solution

The fourth proportional to 1,677,268.86, 2,516,305.48 and 540,138.22 is: 810,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,268.86 : 2,516,305.48 = 540,138.22 : x
  2. Step 2: Convert to fraction form
    1,677,268.86/2,516,305.48 = 540,138.22/x
  3. Step 3: Cross multiply
    1,677,268.86x = 2,516,305.48 × 540,138.22
  4. Step 4: Simplify right side
    1,677,268.86x = 1,359,152,762,943.45
  5. Step 5: Solve for x
    x = 1,359,152,762,943.45/1,677,268.86
  6. Step 6: Final answer
    x = 810,336.85

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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.