Home / 1,574,712.30-2,362,651.65-628,761.90

Finding the Fourth Proportional to 1,574,712.30, 2,362,651.65 and 628,761.90

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Solution

The fourth proportional to 1,574,712.30, 2,362,651.65 and 628,761.90 is: 943,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,712.30 : 2,362,651.65 = 628,761.90 : x
  2. Step 2: Convert to fraction form
    1,574,712.30/2,362,651.65 = 628,761.90/x
  3. Step 3: Cross multiply
    1,574,712.30x = 2,362,651.65 × 628,761.90
  4. Step 4: Simplify right side
    1,574,712.30x = 1,485,545,340,492.14
  5. Step 5: Solve for x
    x = 1,485,545,340,492.14/1,574,712.30
  6. Step 6: Final answer
    x = 943,375.71

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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.