Home / 1,380,048.40-2,069,504.76-527,434.96

Finding the Fourth Proportional to 1,380,048.40, 2,069,504.76 and 527,434.96

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Solution

The fourth proportional to 1,380,048.40, 2,069,504.76 and 527,434.96 is: 790,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,048.40 : 2,069,504.76 = 527,434.96 : x
  2. Step 2: Convert to fraction form
    1,380,048.40/2,069,504.76 = 527,434.96/x
  3. Step 3: Cross multiply
    1,380,048.40x = 2,069,504.76 × 527,434.96
  4. Step 4: Simplify right side
    1,380,048.40x = 1,091,529,160,310.41
  5. Step 5: Solve for x
    x = 1,091,529,160,310.41/1,380,048.40
  6. Step 6: Final answer
    x = 790,935.42

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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.