Home / 1,339,287.40-2,008,700.70-497,405.80

Finding the Fourth Proportional to 1,339,287.40, 2,008,700.70 and 497,405.80

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Solution

The fourth proportional to 1,339,287.40, 2,008,700.70 and 497,405.80 is: 746,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,287.40 : 2,008,700.70 = 497,405.80 : x
  2. Step 2: Convert to fraction form
    1,339,287.40/2,008,700.70 = 497,405.80/x
  3. Step 3: Cross multiply
    1,339,287.40x = 2,008,700.70 × 497,405.80
  4. Step 4: Simplify right side
    1,339,287.40x = 999,139,378,644.06
  5. Step 5: Solve for x
    x = 999,139,378,644.06/1,339,287.40
  6. Step 6: Final answer
    x = 746,023.13

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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.