Home / 1,231,520.15-1,700,671.65-1,164,426.64

Finding the Fourth Proportional to 1,231,520.15, 1,700,671.65 and 1,164,426.64

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Solution

The fourth proportional to 1,231,520.15, 1,700,671.65 and 1,164,426.64 is: 1,608,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,520.15 : 1,700,671.65 = 1,164,426.64 : x
  2. Step 2: Convert to fraction form
    1,231,520.15/1,700,671.65 = 1,164,426.64/x
  3. Step 3: Cross multiply
    1,231,520.15x = 1,700,671.65 × 1,164,426.64
  4. Step 4: Simplify right side
    1,231,520.15x = 1,980,307,366,534.48
  5. Step 5: Solve for x
    x = 1,980,307,366,534.48/1,231,520.15
  6. Step 6: Final answer
    x = 1,608,018.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.