Home / 1,050.64-1,456.47-1,009.60

Finding the Fourth Proportional to 1,050.64, 1,456.47 and 1,009.60

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Solution

The fourth proportional to 1,050.64, 1,456.47 and 1,009.60 is: 1,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.64 : 1,456.47 = 1,009.60 : x
  2. Step 2: Convert to fraction form
    1,050.64/1,456.47 = 1,009.60/x
  3. Step 3: Cross multiply
    1,050.64x = 1,456.47 × 1,009.60
  4. Step 4: Simplify right side
    1,050.64x = 1,470,452.11
  5. Step 5: Solve for x
    x = 1,470,452.11/1,050.64
  6. Step 6: Final answer
    x = 1,399.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.