Home / 1,940,787.54-2,910,780.36-520,506

Finding the Fourth Proportional to 1,940,787.54, 2,910,780.36 and 520,506

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Solution

The fourth proportional to 1,940,787.54, 2,910,780.36 and 520,506 is: 780,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,787.54 : 2,910,780.36 = 520,506 : x
  2. Step 2: Convert to fraction form
    1,940,787.54/2,910,780.36 = 520,506/x
  3. Step 3: Cross multiply
    1,940,787.54x = 2,910,780.36 × 520,506
  4. Step 4: Simplify right side
    1,940,787.54x = 1,515,078,642,062.16
  5. Step 5: Solve for x
    x = 1,515,078,642,062.16/1,940,787.54
  6. Step 6: Final answer
    x = 780,651.47

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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.