Home / 1,315,046.64-1,972,548.48-416,487

Finding the Fourth Proportional to 1,315,046.64, 1,972,548.48 and 416,487

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Solution

The fourth proportional to 1,315,046.64, 1,972,548.48 and 416,487 is: 624,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,046.64 : 1,972,548.48 = 416,487 : x
  2. Step 2: Convert to fraction form
    1,315,046.64/1,972,548.48 = 416,487/x
  3. Step 3: Cross multiply
    1,315,046.64x = 1,972,548.48 × 416,487
  4. Step 4: Simplify right side
    1,315,046.64x = 821,540,798,789.76
  5. Step 5: Solve for x
    x = 821,540,798,789.76/1,315,046.64
  6. Step 6: Final answer
    x = 624,723.70

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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.