Home / 1,402,329.00-2,101,832.75-643,530.90

Finding the Fourth Proportional to 1,402,329.00, 2,101,832.75 and 643,530.90

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Solution

The fourth proportional to 1,402,329.00, 2,101,832.75 and 643,530.90 is: 964,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,329.00 : 2,101,832.75 = 643,530.90 : x
  2. Step 2: Convert to fraction form
    1,402,329.00/2,101,832.75 = 643,530.90/x
  3. Step 3: Cross multiply
    1,402,329.00x = 2,101,832.75 × 643,530.90
  4. Step 4: Simplify right side
    1,402,329.00x = 1,352,594,324,836.27
  5. Step 5: Solve for x
    x = 1,352,594,324,836.27/1,402,329.00
  6. Step 6: Final answer
    x = 964,534.23

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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.