Home / 1,170,538.02-1,615,513.95-687,367.62

Finding the Fourth Proportional to 1,170,538.02, 1,615,513.95 and 687,367.62

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Solution

The fourth proportional to 1,170,538.02, 1,615,513.95 and 687,367.62 is: 948,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,538.02 : 1,615,513.95 = 687,367.62 : x
  2. Step 2: Convert to fraction form
    1,170,538.02/1,615,513.95 = 687,367.62/x
  3. Step 3: Cross multiply
    1,170,538.02x = 1,615,513.95 × 687,367.62
  4. Step 4: Simplify right side
    1,170,538.02x = 1,110,451,978,888.30
  5. Step 5: Solve for x
    x = 1,110,451,978,888.30/1,170,538.02
  6. Step 6: Final answer
    x = 948,668.01

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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.