Home / 1,835,150.70-2,753,710.20-770,300.40

Finding the Fourth Proportional to 1,835,150.70, 2,753,710.20 and 770,300.40

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Solution

The fourth proportional to 1,835,150.70, 2,753,710.20 and 770,300.40 is: 1,155,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,150.70 : 2,753,710.20 = 770,300.40 : x
  2. Step 2: Convert to fraction form
    1,835,150.70/2,753,710.20 = 770,300.40/x
  3. Step 3: Cross multiply
    1,835,150.70x = 2,753,710.20 × 770,300.40
  4. Step 4: Simplify right side
    1,835,150.70x = 2,121,184,068,544.08
  5. Step 5: Solve for x
    x = 2,121,184,068,544.08/1,835,150.70
  6. Step 6: Final answer
    x = 1,155,863.69

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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.