Home / 1,488,740.40-2,054,402.46-809,677.44

Finding the Fourth Proportional to 1,488,740.40, 2,054,402.46 and 809,677.44

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Solution

The fourth proportional to 1,488,740.40, 2,054,402.46 and 809,677.44 is: 1,117,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,740.40 : 2,054,402.46 = 809,677.44 : x
  2. Step 2: Convert to fraction form
    1,488,740.40/2,054,402.46 = 809,677.44/x
  3. Step 3: Cross multiply
    1,488,740.40x = 2,054,402.46 × 809,677.44
  4. Step 4: Simplify right side
    1,488,740.40x = 1,663,403,324,542.50
  5. Step 5: Solve for x
    x = 1,663,403,324,542.50/1,488,740.40
  6. Step 6: Final answer
    x = 1,117,322.62

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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.