Home / 1,360,455.54-1,877,441.97-748,621.47

Finding the Fourth Proportional to 1,360,455.54, 1,877,441.97 and 748,621.47

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Solution

The fourth proportional to 1,360,455.54, 1,877,441.97 and 748,621.47 is: 1,033,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,455.54 : 1,877,441.97 = 748,621.47 : x
  2. Step 2: Convert to fraction form
    1,360,455.54/1,877,441.97 = 748,621.47/x
  3. Step 3: Cross multiply
    1,360,455.54x = 1,877,441.97 × 748,621.47
  4. Step 4: Simplify right side
    1,360,455.54x = 1,405,493,367,421.10
  5. Step 5: Solve for x
    x = 1,405,493,367,421.10/1,360,455.54
  6. Step 6: Final answer
    x = 1,033,104.96

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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.