Home / 1,170,398.25-1,615,281.08-661,133.43

Finding the Fourth Proportional to 1,170,398.25, 1,615,281.08 and 661,133.43

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Solution

The fourth proportional to 1,170,398.25, 1,615,281.08 and 661,133.43 is: 912,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,398.25 : 1,615,281.08 = 661,133.43 : x
  2. Step 2: Convert to fraction form
    1,170,398.25/1,615,281.08 = 661,133.43/x
  3. Step 3: Cross multiply
    1,170,398.25x = 1,615,281.08 × 661,133.43
  4. Step 4: Simplify right side
    1,170,398.25x = 1,067,916,317,528.84
  5. Step 5: Solve for x
    x = 1,067,916,317,528.84/1,170,398.25
  6. Step 6: Final answer
    x = 912,438.41

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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.