Home / 1,139,426.60-1,707,066.30-927,919.40

Finding the Fourth Proportional to 1,139,426.60, 1,707,066.30 and 927,919.40

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Solution

The fourth proportional to 1,139,426.60, 1,707,066.30 and 927,919.40 is: 1,390,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,426.60 : 1,707,066.30 = 927,919.40 : x
  2. Step 2: Convert to fraction form
    1,139,426.60/1,707,066.30 = 927,919.40/x
  3. Step 3: Cross multiply
    1,139,426.60x = 1,707,066.30 × 927,919.40
  4. Step 4: Simplify right side
    1,139,426.60x = 1,584,019,936,856.22
  5. Step 5: Solve for x
    x = 1,584,019,936,856.22/1,139,426.60
  6. Step 6: Final answer
    x = 1,390,190.41

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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.