Home / 1,304,005.31-1,799,500.53-723,134.72

Finding the Fourth Proportional to 1,304,005.31, 1,799,500.53 and 723,134.72

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Solution

The fourth proportional to 1,304,005.31, 1,799,500.53 and 723,134.72 is: 997,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,005.31 : 1,799,500.53 = 723,134.72 : x
  2. Step 2: Convert to fraction form
    1,304,005.31/1,799,500.53 = 723,134.72/x
  3. Step 3: Cross multiply
    1,304,005.31x = 1,799,500.53 × 723,134.72
  4. Step 4: Simplify right side
    1,304,005.31x = 1,301,281,311,901.40
  5. Step 5: Solve for x
    x = 1,301,281,311,901.40/1,304,005.31
  6. Step 6: Final answer
    x = 997,911.05

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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.