Home / 1,480,106.64-2,218,372.07-720,810.30

Finding the Fourth Proportional to 1,480,106.64, 2,218,372.07 and 720,810.30

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Solution

The fourth proportional to 1,480,106.64, 2,218,372.07 and 720,810.30 is: 1,080,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,106.64 : 2,218,372.07 = 720,810.30 : x
  2. Step 2: Convert to fraction form
    1,480,106.64/2,218,372.07 = 720,810.30/x
  3. Step 3: Cross multiply
    1,480,106.64x = 2,218,372.07 × 720,810.30
  4. Step 4: Simplify right side
    1,480,106.64x = 1,599,025,433,684.27
  5. Step 5: Solve for x
    x = 1,599,025,433,684.27/1,480,106.64
  6. Step 6: Final answer
    x = 1,080,344.75

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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.