Home / 1,308,050.87-1,805,016.42-719,391.74

Finding the Fourth Proportional to 1,308,050.87, 1,805,016.42 and 719,391.74

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Solution

The fourth proportional to 1,308,050.87, 1,805,016.42 and 719,391.74 is: 992,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,050.87 : 1,805,016.42 = 719,391.74 : x
  2. Step 2: Convert to fraction form
    1,308,050.87/1,805,016.42 = 719,391.74/x
  3. Step 3: Cross multiply
    1,308,050.87x = 1,805,016.42 × 719,391.74
  4. Step 4: Simplify right side
    1,308,050.87x = 1,298,513,894,087.29
  5. Step 5: Solve for x
    x = 1,298,513,894,087.29/1,308,050.87
  6. Step 6: Final answer
    x = 992,709.02

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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.