Home / 1,680,806.29-2,515,990.63-910,390.60

Finding the Fourth Proportional to 1,680,806.29, 2,515,990.63 and 910,390.60

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Solution

The fourth proportional to 1,680,806.29, 2,515,990.63 and 910,390.60 is: 1,362,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,806.29 : 2,515,990.63 = 910,390.60 : x
  2. Step 2: Convert to fraction form
    1,680,806.29/2,515,990.63 = 910,390.60/x
  3. Step 3: Cross multiply
    1,680,806.29x = 2,515,990.63 × 910,390.60
  4. Step 4: Simplify right side
    1,680,806.29x = 2,290,534,216,964.10
  5. Step 5: Solve for x
    x = 2,290,534,216,964.10/1,680,806.29
  6. Step 6: Final answer
    x = 1,362,759.19

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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.