Home / 1,028,946.54-1,543,645.35-345,808.92

Finding the Fourth Proportional to 1,028,946.54, 1,543,645.35 and 345,808.92

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Solution

The fourth proportional to 1,028,946.54, 1,543,645.35 and 345,808.92 is: 518,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,946.54 : 1,543,645.35 = 345,808.92 : x
  2. Step 2: Convert to fraction form
    1,028,946.54/1,543,645.35 = 345,808.92/x
  3. Step 3: Cross multiply
    1,028,946.54x = 1,543,645.35 × 345,808.92
  4. Step 4: Simplify right side
    1,028,946.54x = 533,806,331,346.52
  5. Step 5: Solve for x
    x = 533,806,331,346.52/1,028,946.54
  6. Step 6: Final answer
    x = 518,789.18

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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.