Home / 1,518,805.37-2,278,210.28-620,247.12

Finding the Fourth Proportional to 1,518,805.37, 2,278,210.28 and 620,247.12

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Solution

The fourth proportional to 1,518,805.37, 2,278,210.28 and 620,247.12 is: 930,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,805.37 : 2,278,210.28 = 620,247.12 : x
  2. Step 2: Convert to fraction form
    1,518,805.37/2,278,210.28 = 620,247.12/x
  3. Step 3: Cross multiply
    1,518,805.37x = 2,278,210.28 × 620,247.12
  4. Step 4: Simplify right side
    1,518,805.37x = 1,413,053,353,279.87
  5. Step 5: Solve for x
    x = 1,413,053,353,279.87/1,518,805.37
  6. Step 6: Final answer
    x = 930,371.58

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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.