Home / 804,614.40-1,206,921.60-720,633.60

Finding the Fourth Proportional to 804,614.40, 1,206,921.60 and 720,633.60

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Solution

The fourth proportional to 804,614.40, 1,206,921.60 and 720,633.60 is: 1,080,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,614.40 : 1,206,921.60 = 720,633.60 : x
  2. Step 2: Convert to fraction form
    804,614.40/1,206,921.60 = 720,633.60/x
  3. Step 3: Cross multiply
    804,614.40x = 1,206,921.60 × 720,633.60
  4. Step 4: Simplify right side
    804,614.40x = 869,748,257,525.76
  5. Step 5: Solve for x
    x = 869,748,257,525.76/804,614.40
  6. Step 6: Final answer
    x = 1,080,950.40

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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.