Home / 1,340,605.40-2,009,741.70-807,560.60

Finding the Fourth Proportional to 1,340,605.40, 2,009,741.70 and 807,560.60

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Solution

The fourth proportional to 1,340,605.40, 2,009,741.70 and 807,560.60 is: 1,210,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,605.40 : 2,009,741.70 = 807,560.60 : x
  2. Step 2: Convert to fraction form
    1,340,605.40/2,009,741.70 = 807,560.60/x
  3. Step 3: Cross multiply
    1,340,605.40x = 2,009,741.70 × 807,560.60
  4. Step 4: Simplify right side
    1,340,605.40x = 1,622,988,213,097.02
  5. Step 5: Solve for x
    x = 1,622,988,213,097.02/1,340,605.40
  6. Step 6: Final answer
    x = 1,210,638.28

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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.