Home / 1,002,421.56-1,504,219.86-403,289.40

Finding the Fourth Proportional to 1,002,421.56, 1,504,219.86 and 403,289.40

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Solution

The fourth proportional to 1,002,421.56, 1,504,219.86 and 403,289.40 is: 605,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,421.56 : 1,504,219.86 = 403,289.40 : x
  2. Step 2: Convert to fraction form
    1,002,421.56/1,504,219.86 = 403,289.40/x
  3. Step 3: Cross multiply
    1,002,421.56x = 1,504,219.86 × 403,289.40
  4. Step 4: Simplify right side
    1,002,421.56x = 606,635,924,807.48
  5. Step 5: Solve for x
    x = 606,635,924,807.48/1,002,421.56
  6. Step 6: Final answer
    x = 605,170.47

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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.