Home / 1,451,985.12-2,003,741.14-807,391.48

Finding the Fourth Proportional to 1,451,985.12, 2,003,741.14 and 807,391.48

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Solution

The fourth proportional to 1,451,985.12, 2,003,741.14 and 807,391.48 is: 1,114,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,985.12 : 2,003,741.14 = 807,391.48 : x
  2. Step 2: Convert to fraction form
    1,451,985.12/2,003,741.14 = 807,391.48/x
  3. Step 3: Cross multiply
    1,451,985.12x = 2,003,741.14 × 807,391.48
  4. Step 4: Simplify right side
    1,451,985.12x = 1,617,803,517,533.66
  5. Step 5: Solve for x
    x = 1,617,803,517,533.66/1,451,985.12
  6. Step 6: Final answer
    x = 1,114,201.17

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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.