Home / 1,126,488.16-1,689,703.08-378,534.16

Finding the Fourth Proportional to 1,126,488.16, 1,689,703.08 and 378,534.16

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Solution

The fourth proportional to 1,126,488.16, 1,689,703.08 and 378,534.16 is: 567,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,488.16 : 1,689,703.08 = 378,534.16 : x
  2. Step 2: Convert to fraction form
    1,126,488.16/1,689,703.08 = 378,534.16/x
  3. Step 3: Cross multiply
    1,126,488.16x = 1,689,703.08 × 378,534.16
  4. Step 4: Simplify right side
    1,126,488.16x = 639,610,336,037.21
  5. Step 5: Solve for x
    x = 639,610,336,037.21/1,126,488.16
  6. Step 6: Final answer
    x = 567,791.44

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1.5x scale

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.