Home / 1,909,040.69-2,634,320.32-1,123,982.68

Finding the Fourth Proportional to 1,909,040.69, 2,634,320.32 and 1,123,982.68

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Solution

The fourth proportional to 1,909,040.69, 2,634,320.32 and 1,123,982.68 is: 1,551,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,040.69 : 2,634,320.32 = 1,123,982.68 : x
  2. Step 2: Convert to fraction form
    1,909,040.69/2,634,320.32 = 1,123,982.68/x
  3. Step 3: Cross multiply
    1,909,040.69x = 2,634,320.32 × 1,123,982.68
  4. Step 4: Simplify right side
    1,909,040.69x = 2,960,930,403,856.30
  5. Step 5: Solve for x
    x = 2,960,930,403,856.30/1,909,040.69
  6. Step 6: Final answer
    x = 1,551,004.35

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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.