Home / 1,008,071.60-1,512,740.28-409,035.20

Finding the Fourth Proportional to 1,008,071.60, 1,512,740.28 and 409,035.20

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Solution

The fourth proportional to 1,008,071.60, 1,512,740.28 and 409,035.20 is: 613,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,071.60 : 1,512,740.28 = 409,035.20 : x
  2. Step 2: Convert to fraction form
    1,008,071.60/1,512,740.28 = 409,035.20/x
  3. Step 3: Cross multiply
    1,008,071.60x = 1,512,740.28 × 409,035.20
  4. Step 4: Simplify right side
    1,008,071.60x = 618,764,022,977.86
  5. Step 5: Solve for x
    x = 618,764,022,977.86/1,008,071.60
  6. Step 6: Final answer
    x = 613,809.60

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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.