Home / 1,108,289.76-1,662,434.63-509,754.33

Finding the Fourth Proportional to 1,108,289.76, 1,662,434.63 and 509,754.33

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Solution

The fourth proportional to 1,108,289.76, 1,662,434.63 and 509,754.33 is: 764,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,289.76 : 1,662,434.63 = 509,754.33 : x
  2. Step 2: Convert to fraction form
    1,108,289.76/1,662,434.63 = 509,754.33/x
  3. Step 3: Cross multiply
    1,108,289.76x = 1,662,434.63 × 509,754.33
  4. Step 4: Simplify right side
    1,108,289.76x = 847,433,253,214.62
  5. Step 5: Solve for x
    x = 847,433,253,214.62/1,108,289.76
  6. Step 6: Final answer
    x = 764,631.50

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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.