Home / 1,008,035.85-1,512,053.78-724,600.65

Finding the Fourth Proportional to 1,008,035.85, 1,512,053.78 and 724,600.65

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Solution

The fourth proportional to 1,008,035.85, 1,512,053.78 and 724,600.65 is: 1,086,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,035.85 : 1,512,053.78 = 724,600.65 : x
  2. Step 2: Convert to fraction form
    1,008,035.85/1,512,053.78 = 724,600.65/x
  3. Step 3: Cross multiply
    1,008,035.85x = 1,512,053.78 × 724,600.65
  4. Step 4: Simplify right side
    1,008,035.85x = 1,095,635,148,199.95
  5. Step 5: Solve for x
    x = 1,095,635,148,199.95/1,008,035.85
  6. Step 6: Final answer
    x = 1,086,900.98

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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.