Home / 1,304,004.31-1,799,499.15-723,133.72

Finding the Fourth Proportional to 1,304,004.31, 1,799,499.15 and 723,133.72

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Solution

The fourth proportional to 1,304,004.31, 1,799,499.15 and 723,133.72 is: 997,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,004.31 : 1,799,499.15 = 723,133.72 : x
  2. Step 2: Convert to fraction form
    1,304,004.31/1,799,499.15 = 723,133.72/x
  3. Step 3: Cross multiply
    1,304,004.31x = 1,799,499.15 × 723,133.72
  4. Step 4: Simplify right side
    1,304,004.31x = 1,301,278,514,476.34
  5. Step 5: Solve for x
    x = 1,301,278,514,476.34/1,304,004.31
  6. Step 6: Final answer
    x = 997,909.67

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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.