Home / 1,126,484.16-1,689,697.08-378,530.16

Finding the Fourth Proportional to 1,126,484.16, 1,689,697.08 and 378,530.16

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Solution

The fourth proportional to 1,126,484.16, 1,689,697.08 and 378,530.16 is: 567,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,484.16 : 1,689,697.08 = 378,530.16 : x
  2. Step 2: Convert to fraction form
    1,126,484.16/1,689,697.08 = 378,530.16/x
  3. Step 3: Cross multiply
    1,126,484.16x = 1,689,697.08 × 378,530.16
  4. Step 4: Simplify right side
    1,126,484.16x = 639,601,306,043.93
  5. Step 5: Solve for x
    x = 639,601,306,043.93/1,126,484.16
  6. Step 6: Final answer
    x = 567,785.44

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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.