Home / 1,338,455.10-2,008,363.05-889,488.30

Finding the Fourth Proportional to 1,338,455.10, 2,008,363.05 and 889,488.30

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Solution

The fourth proportional to 1,338,455.10, 2,008,363.05 and 889,488.30 is: 1,334,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,455.10 : 2,008,363.05 = 889,488.30 : x
  2. Step 2: Convert to fraction form
    1,338,455.10/2,008,363.05 = 889,488.30/x
  3. Step 3: Cross multiply
    1,338,455.10x = 2,008,363.05 × 889,488.30
  4. Step 4: Simplify right side
    1,338,455.10x = 1,786,415,435,127.32
  5. Step 5: Solve for x
    x = 1,786,415,435,127.32/1,338,455.10
  6. Step 6: Final answer
    x = 1,334,684.62

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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.