Home / 1,080,633.52-1,620,950.28-415,630

Finding the Fourth Proportional to 1,080,633.52, 1,620,950.28 and 415,630

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Solution

The fourth proportional to 1,080,633.52, 1,620,950.28 and 415,630 is: 623,445

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,633.52 : 1,620,950.28 = 415,630 : x
  2. Step 2: Convert to fraction form
    1,080,633.52/1,620,950.28 = 415,630/x
  3. Step 3: Cross multiply
    1,080,633.52x = 1,620,950.28 × 415,630
  4. Step 4: Simplify right side
    1,080,633.52x = 673,715,564,876.40
  5. Step 5: Solve for x
    x = 673,715,564,876.40/1,080,633.52
  6. Step 6: Final answer
    x = 623,445

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Similar ratio
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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.