Home / 1,521,255.70-2,281,509.94-510,355.05

Finding the Fourth Proportional to 1,521,255.70, 2,281,509.94 and 510,355.05

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Solution

The fourth proportional to 1,521,255.70, 2,281,509.94 and 510,355.05 is: 765,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,255.70 : 2,281,509.94 = 510,355.05 : x
  2. Step 2: Convert to fraction form
    1,521,255.70/2,281,509.94 = 510,355.05/x
  3. Step 3: Cross multiply
    1,521,255.70x = 2,281,509.94 × 510,355.05
  4. Step 4: Simplify right side
    1,521,255.70x = 1,164,380,119,504.20
  5. Step 5: Solve for x
    x = 1,164,380,119,504.20/1,521,255.70
  6. Step 6: Final answer
    x = 765,407.24

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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.