Home / 1,008,496.40-1,512,744.60-409,477.10

Finding the Fourth Proportional to 1,008,496.40, 1,512,744.60 and 409,477.10

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Solution

The fourth proportional to 1,008,496.40, 1,512,744.60 and 409,477.10 is: 614,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,496.40 : 1,512,744.60 = 409,477.10 : x
  2. Step 2: Convert to fraction form
    1,008,496.40/1,512,744.60 = 409,477.10/x
  3. Step 3: Cross multiply
    1,008,496.40x = 1,512,744.60 × 409,477.10
  4. Step 4: Simplify right side
    1,008,496.40x = 619,434,271,848.66
  5. Step 5: Solve for x
    x = 619,434,271,848.66/1,008,496.40
  6. Step 6: Final answer
    x = 614,215.65

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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.