Home / 974,745.04-1,462,121.65-639,904.40

Finding the Fourth Proportional to 974,745.04, 1,462,121.65 and 639,904.40

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Solution

The fourth proportional to 974,745.04, 1,462,121.65 and 639,904.40 is: 959,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,745.04 : 1,462,121.65 = 639,904.40 : x
  2. Step 2: Convert to fraction form
    974,745.04/1,462,121.65 = 639,904.40/x
  3. Step 3: Cross multiply
    974,745.04x = 1,462,121.65 × 639,904.40
  4. Step 4: Simplify right side
    974,745.04x = 935,618,077,170.26
  5. Step 5: Solve for x
    x = 935,618,077,170.26/974,745.04
  6. Step 6: Final answer
    x = 959,859.29

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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.