Home / 1,697,139.20-2,545,651.20-434,979.20

Finding the Fourth Proportional to 1,697,139.20, 2,545,651.20 and 434,979.20

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Solution

The fourth proportional to 1,697,139.20, 2,545,651.20 and 434,979.20 is: 652,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,139.20 : 2,545,651.20 = 434,979.20 : x
  2. Step 2: Convert to fraction form
    1,697,139.20/2,545,651.20 = 434,979.20/x
  3. Step 3: Cross multiply
    1,697,139.20x = 2,545,651.20 × 434,979.20
  4. Step 4: Simplify right side
    1,697,139.20x = 1,107,305,322,455.04
  5. Step 5: Solve for x
    x = 1,107,305,322,455.04/1,697,139.20
  6. Step 6: Final answer
    x = 652,454.04

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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.