Home / 1,209,662.86-1,814,765.10-368,280.22

Finding the Fourth Proportional to 1,209,662.86, 1,814,765.10 and 368,280.22

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Solution

The fourth proportional to 1,209,662.86, 1,814,765.10 and 368,280.22 is: 552,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,662.86 : 1,814,765.10 = 368,280.22 : x
  2. Step 2: Convert to fraction form
    1,209,662.86/1,814,765.10 = 368,280.22/x
  3. Step 3: Cross multiply
    1,209,662.86x = 1,814,765.10 × 368,280.22
  4. Step 4: Simplify right side
    1,209,662.86x = 668,342,090,276.32
  5. Step 5: Solve for x
    x = 668,342,090,276.32/1,209,662.86
  6. Step 6: Final answer
    x = 552,502.78

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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.