Home / 1,221,488.86-1,832,358.84-422,769.10

Finding the Fourth Proportional to 1,221,488.86, 1,832,358.84 and 422,769.10

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Solution

The fourth proportional to 1,221,488.86, 1,832,358.84 and 422,769.10 is: 634,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,488.86 : 1,832,358.84 = 422,769.10 : x
  2. Step 2: Convert to fraction form
    1,221,488.86/1,832,358.84 = 422,769.10/x
  3. Step 3: Cross multiply
    1,221,488.86x = 1,832,358.84 × 422,769.10
  4. Step 4: Simplify right side
    1,221,488.86x = 774,664,697,663.84
  5. Step 5: Solve for x
    x = 774,664,697,663.84/1,221,488.86
  6. Step 6: Final answer
    x = 634,197.10

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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.