Home / 1,690,641.20-2,333,324.10-1,046,268.92

Finding the Fourth Proportional to 1,690,641.20, 2,333,324.10 and 1,046,268.92

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Solution

The fourth proportional to 1,690,641.20, 2,333,324.10 and 1,046,268.92 is: 1,443,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,641.20 : 2,333,324.10 = 1,046,268.92 : x
  2. Step 2: Convert to fraction form
    1,690,641.20/2,333,324.10 = 1,046,268.92/x
  3. Step 3: Cross multiply
    1,690,641.20x = 2,333,324.10 × 1,046,268.92
  4. Step 4: Simplify right side
    1,690,641.20x = 2,441,284,486,116.97
  5. Step 5: Solve for x
    x = 2,441,284,486,116.97/1,690,641.20
  6. Step 6: Final answer
    x = 1,443,999.17

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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.