Home / 996,828.20-1,495,242.30-729,139.40

Finding the Fourth Proportional to 996,828.20, 1,495,242.30 and 729,139.40

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Solution

The fourth proportional to 996,828.20, 1,495,242.30 and 729,139.40 is: 1,093,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,828.20 : 1,495,242.30 = 729,139.40 : x
  2. Step 2: Convert to fraction form
    996,828.20/1,495,242.30 = 729,139.40/x
  3. Step 3: Cross multiply
    996,828.20x = 1,495,242.30 × 729,139.40
  4. Step 4: Simplify right side
    996,828.20x = 1,090,240,073,476.62
  5. Step 5: Solve for x
    x = 1,090,240,073,476.62/996,828.20
  6. Step 6: Final answer
    x = 1,093,709.10

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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.