Home / 1,008,012.45-1,512,018.68-927,530.85

Finding the Fourth Proportional to 1,008,012.45, 1,512,018.68 and 927,530.85

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Solution

The fourth proportional to 1,008,012.45, 1,512,018.68 and 927,530.85 is: 1,391,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,012.45 : 1,512,018.68 = 927,530.85 : x
  2. Step 2: Convert to fraction form
    1,008,012.45/1,512,018.68 = 927,530.85/x
  3. Step 3: Cross multiply
    1,008,012.45x = 1,512,018.68 × 927,530.85
  4. Step 4: Simplify right side
    1,008,012.45x = 1,402,443,966,838.62
  5. Step 5: Solve for x
    x = 1,402,443,966,838.62/1,008,012.45
  6. Step 6: Final answer
    x = 1,391,296.28

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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.