Home / 1,127,008.62-1,555,262.64-617,709.78

Finding the Fourth Proportional to 1,127,008.62, 1,555,262.64 and 617,709.78

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Solution

The fourth proportional to 1,127,008.62, 1,555,262.64 and 617,709.78 is: 852,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,008.62 : 1,555,262.64 = 617,709.78 : x
  2. Step 2: Convert to fraction form
    1,127,008.62/1,555,262.64 = 617,709.78/x
  3. Step 3: Cross multiply
    1,127,008.62x = 1,555,262.64 × 617,709.78
  4. Step 4: Simplify right side
    1,127,008.62x = 960,700,943,196.62
  5. Step 5: Solve for x
    x = 960,700,943,196.62/1,127,008.62
  6. Step 6: Final answer
    x = 852,434.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.