Home / 1,637,309.31-2,456,226.41-690,819.45

Finding the Fourth Proportional to 1,637,309.31, 2,456,226.41 and 690,819.45

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Solution

The fourth proportional to 1,637,309.31, 2,456,226.41 and 690,819.45 is: 1,036,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,309.31 : 2,456,226.41 = 690,819.45 : x
  2. Step 2: Convert to fraction form
    1,637,309.31/2,456,226.41 = 690,819.45/x
  3. Step 3: Cross multiply
    1,637,309.31x = 2,456,226.41 × 690,819.45
  4. Step 4: Simplify right side
    1,637,309.31x = 1,696,808,974,177.58
  5. Step 5: Solve for x
    x = 1,696,808,974,177.58/1,637,309.31
  6. Step 6: Final answer
    x = 1,036,339.90

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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.