Home / 1,546,612.80-2,320,822.40-647,977.76

Finding the Fourth Proportional to 1,546,612.80, 2,320,822.40 and 647,977.76

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Solution

The fourth proportional to 1,546,612.80, 2,320,822.40 and 647,977.76 is: 972,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546,612.80 : 2,320,822.40 = 647,977.76 : x
  2. Step 2: Convert to fraction form
    1,546,612.80/2,320,822.40 = 647,977.76/x
  3. Step 3: Cross multiply
    1,546,612.80x = 2,320,822.40 × 647,977.76
  4. Step 4: Simplify right side
    1,546,612.80x = 1,503,841,300,109.82
  5. Step 5: Solve for x
    x = 1,503,841,300,109.82/1,546,612.80
  6. Step 6: Final answer
    x = 972,345.05

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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.