Home / 1,458,023.70-2,187,035.55-858,676.35

Finding the Fourth Proportional to 1,458,023.70, 2,187,035.55 and 858,676.35

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Solution

The fourth proportional to 1,458,023.70, 2,187,035.55 and 858,676.35 is: 1,288,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,023.70 : 2,187,035.55 = 858,676.35 : x
  2. Step 2: Convert to fraction form
    1,458,023.70/2,187,035.55 = 858,676.35/x
  3. Step 3: Cross multiply
    1,458,023.70x = 2,187,035.55 × 858,676.35
  4. Step 4: Simplify right side
    1,458,023.70x = 1,877,955,703,394.24
  5. Step 5: Solve for x
    x = 1,877,955,703,394.24/1,458,023.70
  6. Step 6: Final answer
    x = 1,288,014.53

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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.