Home / 1,542,898.71-2,314,717.52-643,840.29

Finding the Fourth Proportional to 1,542,898.71, 2,314,717.52 and 643,840.29

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Solution

The fourth proportional to 1,542,898.71, 2,314,717.52 and 643,840.29 is: 965,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,898.71 : 2,314,717.52 = 643,840.29 : x
  2. Step 2: Convert to fraction form
    1,542,898.71/2,314,717.52 = 643,840.29/x
  3. Step 3: Cross multiply
    1,542,898.71x = 2,314,717.52 × 643,840.29
  4. Step 4: Simplify right side
    1,542,898.71x = 1,490,308,396,125.68
  5. Step 5: Solve for x
    x = 1,490,308,396,125.68/1,542,898.71
  6. Step 6: Final answer
    x = 965,914.60

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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.