Home / 1,306,465.39-1,959,697.35-407,984.12

Finding the Fourth Proportional to 1,306,465.39, 1,959,697.35 and 407,984.12

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Solution

The fourth proportional to 1,306,465.39, 1,959,697.35 and 407,984.12 is: 611,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,465.39 : 1,959,697.35 = 407,984.12 : x
  2. Step 2: Convert to fraction form
    1,306,465.39/1,959,697.35 = 407,984.12/x
  3. Step 3: Cross multiply
    1,306,465.39x = 1,959,697.35 × 407,984.12
  4. Step 4: Simplify right side
    1,306,465.39x = 799,525,403,705.33
  5. Step 5: Solve for x
    x = 799,525,403,705.33/1,306,465.39
  6. Step 6: Final answer
    x = 611,975.96

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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.