Home / 1,133,402.70-1,700,104.05-985,780.20

Finding the Fourth Proportional to 1,133,402.70, 1,700,104.05 and 985,780.20

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Solution

The fourth proportional to 1,133,402.70, 1,700,104.05 and 985,780.20 is: 1,478,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,402.70 : 1,700,104.05 = 985,780.20 : x
  2. Step 2: Convert to fraction form
    1,133,402.70/1,700,104.05 = 985,780.20/x
  3. Step 3: Cross multiply
    1,133,402.70x = 1,700,104.05 × 985,780.20
  4. Step 4: Simplify right side
    1,133,402.70x = 1,675,928,910,429.81
  5. Step 5: Solve for x
    x = 1,675,928,910,429.81/1,133,402.70
  6. Step 6: Final answer
    x = 1,478,670.30

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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.