Home / 1,296,816.40-1,943,842.20-497,789.20

Finding the Fourth Proportional to 1,296,816.40, 1,943,842.20 and 497,789.20

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Solution

The fourth proportional to 1,296,816.40, 1,943,842.20 and 497,789.20 is: 746,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,816.40 : 1,943,842.20 = 497,789.20 : x
  2. Step 2: Convert to fraction form
    1,296,816.40/1,943,842.20 = 497,789.20/x
  3. Step 3: Cross multiply
    1,296,816.40x = 1,943,842.20 × 497,789.20
  4. Step 4: Simplify right side
    1,296,816.40x = 967,623,653,664.24
  5. Step 5: Solve for x
    x = 967,623,653,664.24/1,296,816.40
  6. Step 6: Final answer
    x = 746,153.16

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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.