Home / 1,605,162.73-2,215,001.63-916,739.56

Finding the Fourth Proportional to 1,605,162.73, 2,215,001.63 and 916,739.56

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Solution

The fourth proportional to 1,605,162.73, 2,215,001.63 and 916,739.56 is: 1,265,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,162.73 : 2,215,001.63 = 916,739.56 : x
  2. Step 2: Convert to fraction form
    1,605,162.73/2,215,001.63 = 916,739.56/x
  3. Step 3: Cross multiply
    1,605,162.73x = 2,215,001.63 × 916,739.56
  4. Step 4: Simplify right side
    1,605,162.73x = 2,030,579,619,685.48
  5. Step 5: Solve for x
    x = 2,030,579,619,685.48/1,605,162.73
  6. Step 6: Final answer
    x = 1,265,030.38

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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.