Home / 1,520,678.26-2,281,524.09-509,900.14

Finding the Fourth Proportional to 1,520,678.26, 2,281,524.09 and 509,900.14

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Solution

The fourth proportional to 1,520,678.26, 2,281,524.09 and 509,900.14 is: 765,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,678.26 : 2,281,524.09 = 509,900.14 : x
  2. Step 2: Convert to fraction form
    1,520,678.26/2,281,524.09 = 509,900.14/x
  3. Step 3: Cross multiply
    1,520,678.26x = 2,281,524.09 × 509,900.14
  4. Step 4: Simplify right side
    1,520,678.26x = 1,163,349,452,904.37
  5. Step 5: Solve for x
    x = 1,163,349,452,904.37/1,520,678.26
  6. Step 6: Final answer
    x = 765,020.11

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1.5x scale

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.