Home / 1,591,292.31-2,196,405.77-979,957.63

Finding the Fourth Proportional to 1,591,292.31, 2,196,405.77 and 979,957.63

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Solution

The fourth proportional to 1,591,292.31, 2,196,405.77 and 979,957.63 is: 1,352,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,292.31 : 2,196,405.77 = 979,957.63 : x
  2. Step 2: Convert to fraction form
    1,591,292.31/2,196,405.77 = 979,957.63/x
  3. Step 3: Cross multiply
    1,591,292.31x = 2,196,405.77 × 979,957.63
  4. Step 4: Simplify right side
    1,591,292.31x = 2,152,384,592,887.53
  5. Step 5: Solve for x
    x = 2,152,384,592,887.53/1,591,292.31
  6. Step 6: Final answer
    x = 1,352,601.64

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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.