Home / 1,148,304.67-1,722,564.31-338,689.88

Finding the Fourth Proportional to 1,148,304.67, 1,722,564.31 and 338,689.88

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Solution

The fourth proportional to 1,148,304.67, 1,722,564.31 and 338,689.88 is: 508,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,304.67 : 1,722,564.31 = 338,689.88 : x
  2. Step 2: Convert to fraction form
    1,148,304.67/1,722,564.31 = 338,689.88/x
  3. Step 3: Cross multiply
    1,148,304.67x = 1,722,564.31 × 338,689.88
  4. Step 4: Simplify right side
    1,148,304.67x = 583,415,089,139.91
  5. Step 5: Solve for x
    x = 583,415,089,139.91/1,148,304.67
  6. Step 6: Final answer
    x = 508,066.46

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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.