Home / 1,531,731.24-2,297,595.78-689,298.84

Finding the Fourth Proportional to 1,531,731.24, 2,297,595.78 and 689,298.84

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Solution

The fourth proportional to 1,531,731.24, 2,297,595.78 and 689,298.84 is: 1,033,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,731.24 : 2,297,595.78 = 689,298.84 : x
  2. Step 2: Convert to fraction form
    1,531,731.24/2,297,595.78 = 689,298.84/x
  3. Step 3: Cross multiply
    1,531,731.24x = 2,297,595.78 × 689,298.84
  4. Step 4: Simplify right side
    1,531,731.24x = 1,583,730,105,942.90
  5. Step 5: Solve for x
    x = 1,583,730,105,942.90/1,531,731.24
  6. Step 6: Final answer
    x = 1,033,947.77

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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.