Home / 1,368,145.11-2,050,215.35-770,272.77

Finding the Fourth Proportional to 1,368,145.11, 2,050,215.35 and 770,272.77

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Solution

The fourth proportional to 1,368,145.11, 2,050,215.35 and 770,272.77 is: 1,154,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,145.11 : 2,050,215.35 = 770,272.77 : x
  2. Step 2: Convert to fraction form
    1,368,145.11/2,050,215.35 = 770,272.77/x
  3. Step 3: Cross multiply
    1,368,145.11x = 2,050,215.35 × 770,272.77
  4. Step 4: Simplify right side
    1,368,145.11x = 1,579,225,052,889.66
  5. Step 5: Solve for x
    x = 1,579,225,052,889.66/1,368,145.11
  6. Step 6: Final answer
    x = 1,154,281.84

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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.