Home / 1,004,814.40-1,507,221.60-256,820.80

Finding the Fourth Proportional to 1,004,814.40, 1,507,221.60 and 256,820.80

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Solution

The fourth proportional to 1,004,814.40, 1,507,221.60 and 256,820.80 is: 385,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,814.40 : 1,507,221.60 = 256,820.80 : x
  2. Step 2: Convert to fraction form
    1,004,814.40/1,507,221.60 = 256,820.80/x
  3. Step 3: Cross multiply
    1,004,814.40x = 1,507,221.60 × 256,820.80
  4. Step 4: Simplify right side
    1,004,814.40x = 387,085,857,089.28
  5. Step 5: Solve for x
    x = 387,085,857,089.28/1,004,814.40
  6. Step 6: Final answer
    x = 385,231.20

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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.