Home / 1,175,928.48-1,763,322.12-689,743.44

Finding the Fourth Proportional to 1,175,928.48, 1,763,322.12 and 689,743.44

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Solution

The fourth proportional to 1,175,928.48, 1,763,322.12 and 689,743.44 is: 1,034,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,928.48 : 1,763,322.12 = 689,743.44 : x
  2. Step 2: Convert to fraction form
    1,175,928.48/1,763,322.12 = 689,743.44/x
  3. Step 3: Cross multiply
    1,175,928.48x = 1,763,322.12 × 689,743.44
  4. Step 4: Simplify right side
    1,175,928.48x = 1,216,239,864,876.89
  5. Step 5: Solve for x
    x = 1,216,239,864,876.89/1,175,928.48
  6. Step 6: Final answer
    x = 1,034,280.47

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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.