Home / 1,639,394.79-2,262,360.40-914,243.32

Finding the Fourth Proportional to 1,639,394.79, 2,262,360.40 and 914,243.32

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Solution

The fourth proportional to 1,639,394.79, 2,262,360.40 and 914,243.32 is: 1,261,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,394.79 : 2,262,360.40 = 914,243.32 : x
  2. Step 2: Convert to fraction form
    1,639,394.79/2,262,360.40 = 914,243.32/x
  3. Step 3: Cross multiply
    1,639,394.79x = 2,262,360.40 × 914,243.32
  4. Step 4: Simplify right side
    1,639,394.79x = 2,068,347,883,132.53
  5. Step 5: Solve for x
    x = 2,068,347,883,132.53/1,639,394.79
  6. Step 6: Final answer
    x = 1,261,653.32

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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.