Home / 1,514,223.84-2,268,536.40-764,479.20

Finding the Fourth Proportional to 1,514,223.84, 2,268,536.40 and 764,479.20

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Solution

The fourth proportional to 1,514,223.84, 2,268,536.40 and 764,479.20 is: 1,145,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,223.84 : 2,268,536.40 = 764,479.20 : x
  2. Step 2: Convert to fraction form
    1,514,223.84/2,268,536.40 = 764,479.20/x
  3. Step 3: Cross multiply
    1,514,223.84x = 2,268,536.40 × 764,479.20
  4. Step 4: Simplify right side
    1,514,223.84x = 1,734,248,892,242.88
  5. Step 5: Solve for x
    x = 1,734,248,892,242.88/1,514,223.84
  6. Step 6: Final answer
    x = 1,145,305.50

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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.