Home / 1,138,426.86-1,707,935.40-605,509.50

Finding the Fourth Proportional to 1,138,426.86, 1,707,935.40 and 605,509.50

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Solution

The fourth proportional to 1,138,426.86, 1,707,935.40 and 605,509.50 is: 908,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,426.86 : 1,707,935.40 = 605,509.50 : x
  2. Step 2: Convert to fraction form
    1,138,426.86/1,707,935.40 = 605,509.50/x
  3. Step 3: Cross multiply
    1,138,426.86x = 1,707,935.40 × 605,509.50
  4. Step 4: Simplify right side
    1,138,426.86x = 1,034,171,110,086.30
  5. Step 5: Solve for x
    x = 1,034,171,110,086.30/1,138,426.86
  6. Step 6: Final answer
    x = 908,421.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.