Home / 862,445.40-1,296,000.90-759,802.20

Finding the Fourth Proportional to 862,445.40, 1,296,000.90 and 759,802.20

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Solution

The fourth proportional to 862,445.40, 1,296,000.90 and 759,802.20 is: 1,141,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,445.40 : 1,296,000.90 = 759,802.20 : x
  2. Step 2: Convert to fraction form
    862,445.40/1,296,000.90 = 759,802.20/x
  3. Step 3: Cross multiply
    862,445.40x = 1,296,000.90 × 759,802.20
  4. Step 4: Simplify right side
    862,445.40x = 984,704,335,021.98
  5. Step 5: Solve for x
    x = 984,704,335,021.98/862,445.40
  6. Step 6: Final answer
    x = 1,141,758.46

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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.