Home / 936,293.58-1,290,908.80-764,036.58

Finding the Fourth Proportional to 936,293.58, 1,290,908.80 and 764,036.58

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Solution

The fourth proportional to 936,293.58, 1,290,908.80 and 764,036.58 is: 1,053,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,293.58 : 1,290,908.80 = 764,036.58 : x
  2. Step 2: Convert to fraction form
    936,293.58/1,290,908.80 = 764,036.58/x
  3. Step 3: Cross multiply
    936,293.58x = 1,290,908.80 × 764,036.58
  4. Step 4: Simplify right side
    936,293.58x = 986,301,535,250.11
  5. Step 5: Solve for x
    x = 986,301,535,250.11/936,293.58
  6. Step 6: Final answer
    x = 1,053,410.55

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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.