Home / 1,749,378.11-2,623,889.81-469,819.31

Finding the Fourth Proportional to 1,749,378.11, 2,623,889.81 and 469,819.31

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Solution

The fourth proportional to 1,749,378.11, 2,623,889.81 and 469,819.31 is: 704,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,378.11 : 2,623,889.81 = 469,819.31 : x
  2. Step 2: Convert to fraction form
    1,749,378.11/2,623,889.81 = 469,819.31/x
  3. Step 3: Cross multiply
    1,749,378.11x = 2,623,889.81 × 469,819.31
  4. Step 4: Simplify right side
    1,749,378.11x = 1,232,754,110,905.11
  5. Step 5: Solve for x
    x = 1,232,754,110,905.11/1,749,378.11
  6. Step 6: Final answer
    x = 704,681.34

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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.