Home / 1,486,991.52-2,052,066.96-807,939.36

Finding the Fourth Proportional to 1,486,991.52, 2,052,066.96 and 807,939.36

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Solution

The fourth proportional to 1,486,991.52, 2,052,066.96 and 807,939.36 is: 1,114,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,991.52 : 2,052,066.96 = 807,939.36 : x
  2. Step 2: Convert to fraction form
    1,486,991.52/2,052,066.96 = 807,939.36/x
  3. Step 3: Cross multiply
    1,486,991.52x = 2,052,066.96 × 807,939.36
  4. Step 4: Simplify right side
    1,486,991.52x = 1,657,945,666,339.55
  5. Step 5: Solve for x
    x = 1,657,945,666,339.55/1,486,991.52
  6. Step 6: Final answer
    x = 1,114,966.46

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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.