Home / 1,339,298.40-2,008,717.20-497,416.80

Finding the Fourth Proportional to 1,339,298.40, 2,008,717.20 and 497,416.80

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Solution

The fourth proportional to 1,339,298.40, 2,008,717.20 and 497,416.80 is: 746,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,298.40 : 2,008,717.20 = 497,416.80 : x
  2. Step 2: Convert to fraction form
    1,339,298.40/2,008,717.20 = 497,416.80/x
  3. Step 3: Cross multiply
    1,339,298.40x = 2,008,717.20 × 497,416.80
  4. Step 4: Simplify right side
    1,339,298.40x = 999,169,681,728.96
  5. Step 5: Solve for x
    x = 999,169,681,728.96/1,339,298.40
  6. Step 6: Final answer
    x = 746,039.63

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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.