Home / 1,008,353.74-1,512,526.50-409,309.83

Finding the Fourth Proportional to 1,008,353.74, 1,512,526.50 and 409,309.83

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Solution

The fourth proportional to 1,008,353.74, 1,512,526.50 and 409,309.83 is: 613,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,353.74 : 1,512,526.50 = 409,309.83 : x
  2. Step 2: Convert to fraction form
    1,008,353.74/1,512,526.50 = 409,309.83/x
  3. Step 3: Cross multiply
    1,008,353.74x = 1,512,526.50 × 409,309.83
  4. Step 4: Simplify right side
    1,008,353.74x = 619,091,964,585.50
  5. Step 5: Solve for x
    x = 619,091,964,585.50/1,008,353.74
  6. Step 6: Final answer
    x = 613,963.08

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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.