Home / 1,375,585.80-2,063,670.30-415,962.60

Finding the Fourth Proportional to 1,375,585.80, 2,063,670.30 and 415,962.60

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Solution

The fourth proportional to 1,375,585.80, 2,063,670.30 and 415,962.60 is: 624,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,585.80 : 2,063,670.30 = 415,962.60 : x
  2. Step 2: Convert to fraction form
    1,375,585.80/2,063,670.30 = 415,962.60/x
  3. Step 3: Cross multiply
    1,375,585.80x = 2,063,670.30 × 415,962.60
  4. Step 4: Simplify right side
    1,375,585.80x = 858,409,663,530.78
  5. Step 5: Solve for x
    x = 858,409,663,530.78/1,375,585.80
  6. Step 6: Final answer
    x = 624,032.08

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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.