Home / 1,296,012.40-1,942,636.20-496,985.20

Finding the Fourth Proportional to 1,296,012.40, 1,942,636.20 and 496,985.20

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Solution

The fourth proportional to 1,296,012.40, 1,942,636.20 and 496,985.20 is: 744,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,012.40 : 1,942,636.20 = 496,985.20 : x
  2. Step 2: Convert to fraction form
    1,296,012.40/1,942,636.20 = 496,985.20/x
  3. Step 3: Cross multiply
    1,296,012.40x = 1,942,636.20 × 496,985.20
  4. Step 4: Simplify right side
    1,296,012.40x = 965,461,440,384.24
  5. Step 5: Solve for x
    x = 965,461,440,384.24/1,296,012.40
  6. Step 6: Final answer
    x = 744,947.69

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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.