Home / 1,378,729.65-2,068,150.12-480,262.26

Finding the Fourth Proportional to 1,378,729.65, 2,068,150.12 and 480,262.26

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Solution

The fourth proportional to 1,378,729.65, 2,068,150.12 and 480,262.26 is: 720,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,729.65 : 2,068,150.12 = 480,262.26 : x
  2. Step 2: Convert to fraction form
    1,378,729.65/2,068,150.12 = 480,262.26/x
  3. Step 3: Cross multiply
    1,378,729.65x = 2,068,150.12 × 480,262.26
  4. Step 4: Simplify right side
    1,378,729.65x = 993,254,457,205.38
  5. Step 5: Solve for x
    x = 993,254,457,205.38/1,378,729.65
  6. Step 6: Final answer
    x = 720,412.78

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1.5x scale

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.