Home / 1,134,006.20-1,701,009.30-686,108.60

Finding the Fourth Proportional to 1,134,006.20, 1,701,009.30 and 686,108.60

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Solution

The fourth proportional to 1,134,006.20, 1,701,009.30 and 686,108.60 is: 1,029,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,006.20 : 1,701,009.30 = 686,108.60 : x
  2. Step 2: Convert to fraction form
    1,134,006.20/1,701,009.30 = 686,108.60/x
  3. Step 3: Cross multiply
    1,134,006.20x = 1,701,009.30 × 686,108.60
  4. Step 4: Simplify right side
    1,134,006.20x = 1,167,077,109,409.98
  5. Step 5: Solve for x
    x = 1,167,077,109,409.98/1,134,006.20
  6. Step 6: Final answer
    x = 1,029,162.90

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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.