Home / 1,488,945.38-2,232,329.21-477,491.58

Finding the Fourth Proportional to 1,488,945.38, 2,232,329.21 and 477,491.58

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Solution

The fourth proportional to 1,488,945.38, 2,232,329.21 and 477,491.58 is: 715,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,945.38 : 2,232,329.21 = 477,491.58 : x
  2. Step 2: Convert to fraction form
    1,488,945.38/2,232,329.21 = 477,491.58/x
  3. Step 3: Cross multiply
    1,488,945.38x = 2,232,329.21 × 477,491.58
  4. Step 4: Simplify right side
    1,488,945.38x = 1,065,918,399,175.59
  5. Step 5: Solve for x
    x = 1,065,918,399,175.59/1,488,945.38
  6. Step 6: Final answer
    x = 715,888.18

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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.