Home / 1,686,972.52-2,530,461.20-689,700.52

Finding the Fourth Proportional to 1,686,972.52, 2,530,461.20 and 689,700.52

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Solution

The fourth proportional to 1,686,972.52, 2,530,461.20 and 689,700.52 is: 1,034,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,972.52 : 2,530,461.20 = 689,700.52 : x
  2. Step 2: Convert to fraction form
    1,686,972.52/2,530,461.20 = 689,700.52/x
  3. Step 3: Cross multiply
    1,686,972.52x = 2,530,461.20 × 689,700.52
  4. Step 4: Simplify right side
    1,686,972.52x = 1,745,260,405,479.82
  5. Step 5: Solve for x
    x = 1,745,260,405,479.82/1,686,972.52
  6. Step 6: Final answer
    x = 1,034,551.77

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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.