Home / 1,236,989.75-1,854,342.95-858,089.27

Finding the Fourth Proportional to 1,236,989.75, 1,854,342.95 and 858,089.27

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Solution

The fourth proportional to 1,236,989.75, 1,854,342.95 and 858,089.27 is: 1,286,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,989.75 : 1,854,342.95 = 858,089.27 : x
  2. Step 2: Convert to fraction form
    1,236,989.75/1,854,342.95 = 858,089.27/x
  3. Step 3: Cross multiply
    1,236,989.75x = 1,854,342.95 × 858,089.27
  4. Step 4: Simplify right side
    1,236,989.75x = 1,591,191,785,838.63
  5. Step 5: Solve for x
    x = 1,591,191,785,838.63/1,236,989.75
  6. Step 6: Final answer
    x = 1,286,341.93

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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.