Home / 1,224,542.58-1,689,888.97-673,281.58

Finding the Fourth Proportional to 1,224,542.58, 1,689,888.97 and 673,281.58

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Solution

The fourth proportional to 1,224,542.58, 1,689,888.97 and 673,281.58 is: 929,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,542.58 : 1,689,888.97 = 673,281.58 : x
  2. Step 2: Convert to fraction form
    1,224,542.58/1,689,888.97 = 673,281.58/x
  3. Step 3: Cross multiply
    1,224,542.58x = 1,689,888.97 × 673,281.58
  4. Step 4: Simplify right side
    1,224,542.58x = 1,137,771,115,746.17
  5. Step 5: Solve for x
    x = 1,137,771,115,746.17/1,224,542.58
  6. Step 6: Final answer
    x = 929,139.69

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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.