Home / 1,736,129.70-2,604,604.82-724,689.59

Finding the Fourth Proportional to 1,736,129.70, 2,604,604.82 and 724,689.59

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Solution

The fourth proportional to 1,736,129.70, 2,604,604.82 and 724,689.59 is: 1,087,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,129.70 : 2,604,604.82 = 724,689.59 : x
  2. Step 2: Convert to fraction form
    1,736,129.70/2,604,604.82 = 724,689.59/x
  3. Step 3: Cross multiply
    1,736,129.70x = 2,604,604.82 × 724,689.59
  4. Step 4: Simplify right side
    1,736,129.70x = 1,887,529,982,471.35
  5. Step 5: Solve for x
    x = 1,887,529,982,471.35/1,736,129.70
  6. Step 6: Final answer
    x = 1,087,205.63

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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.