Home / 1,518,803.12-2,278,206.89-620,244.86

Finding the Fourth Proportional to 1,518,803.12, 2,278,206.89 and 620,244.86

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Solution

The fourth proportional to 1,518,803.12, 2,278,206.89 and 620,244.86 is: 930,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,803.12 : 2,278,206.89 = 620,244.86 : x
  2. Step 2: Convert to fraction form
    1,518,803.12/2,278,206.89 = 620,244.86/x
  3. Step 3: Cross multiply
    1,518,803.12x = 2,278,206.89 × 620,244.86
  4. Step 4: Simplify right side
    1,518,803.12x = 1,413,046,117,676.54
  5. Step 5: Solve for x
    x = 1,413,046,117,676.54/1,518,803.12
  6. Step 6: Final answer
    x = 930,368.19

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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.