Home / 1,008,026.85-1,515,150.68-989,364.45

Finding the Fourth Proportional to 1,008,026.85, 1,515,150.68 and 989,364.45

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Solution

The fourth proportional to 1,008,026.85, 1,515,150.68 and 989,364.45 is: 1,487,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,026.85 : 1,515,150.68 = 989,364.45 : x
  2. Step 2: Convert to fraction form
    1,008,026.85/1,515,150.68 = 989,364.45/x
  3. Step 3: Cross multiply
    1,008,026.85x = 1,515,150.68 × 989,364.45
  4. Step 4: Simplify right side
    1,008,026.85x = 1,499,036,214,238.50
  5. Step 5: Solve for x
    x = 1,499,036,214,238.50/1,008,026.85
  6. Step 6: Final answer
    x = 1,487,099.49

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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.