Home / 1,636,379.47-2,452,885.00-725,990.68

Finding the Fourth Proportional to 1,636,379.47, 2,452,885.00 and 725,990.68

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Solution

The fourth proportional to 1,636,379.47, 2,452,885.00 and 725,990.68 is: 1,088,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,379.47 : 2,452,885.00 = 725,990.68 : x
  2. Step 2: Convert to fraction form
    1,636,379.47/2,452,885.00 = 725,990.68/x
  3. Step 3: Cross multiply
    1,636,379.47x = 2,452,885.00 × 725,990.68
  4. Step 4: Simplify right side
    1,636,379.47x = 1,780,771,640,649.15
  5. Step 5: Solve for x
    x = 1,780,771,640,649.15/1,636,379.47
  6. Step 6: Final answer
    x = 1,088,238.81

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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.