Home / 1,004,005.28-1,506,212.72-339,142.56

Finding the Fourth Proportional to 1,004,005.28, 1,506,212.72 and 339,142.56

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Solution

The fourth proportional to 1,004,005.28, 1,506,212.72 and 339,142.56 is: 508,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,005.28 : 1,506,212.72 = 339,142.56 : x
  2. Step 2: Convert to fraction form
    1,004,005.28/1,506,212.72 = 339,142.56/x
  3. Step 3: Cross multiply
    1,004,005.28x = 1,506,212.72 × 339,142.56
  4. Step 4: Simplify right side
    1,004,005.28x = 510,820,837,765.36
  5. Step 5: Solve for x
    x = 510,820,837,765.36/1,004,005.28
  6. Step 6: Final answer
    x = 508,783.02

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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.