Home / 1,045,672.14-1,567,819.89-689,600.46

Finding the Fourth Proportional to 1,045,672.14, 1,567,819.89 and 689,600.46

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Solution

The fourth proportional to 1,045,672.14, 1,567,819.89 and 689,600.46 is: 1,033,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,672.14 : 1,567,819.89 = 689,600.46 : x
  2. Step 2: Convert to fraction form
    1,045,672.14/1,567,819.89 = 689,600.46/x
  3. Step 3: Cross multiply
    1,045,672.14x = 1,567,819.89 × 689,600.46
  4. Step 4: Simplify right side
    1,045,672.14x = 1,081,169,317,341.15
  5. Step 5: Solve for x
    x = 1,081,169,317,341.15/1,045,672.14
  6. Step 6: Final answer
    x = 1,033,946.76

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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.