Home / 1,536,487.52-2,120,354.52-857,423.84

Finding the Fourth Proportional to 1,536,487.52, 2,120,354.52 and 857,423.84

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Solution

The fourth proportional to 1,536,487.52, 2,120,354.52 and 857,423.84 is: 1,183,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,487.52 : 2,120,354.52 = 857,423.84 : x
  2. Step 2: Convert to fraction form
    1,536,487.52/2,120,354.52 = 857,423.84/x
  3. Step 3: Cross multiply
    1,536,487.52x = 2,120,354.52 × 857,423.84
  4. Step 4: Simplify right side
    1,536,487.52x = 1,818,042,514,699.76
  5. Step 5: Solve for x
    x = 1,818,042,514,699.76/1,536,487.52
  6. Step 6: Final answer
    x = 1,183,245.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.