Home / 1,127,176.27-1,555,737.98-1,036,388.43

Finding the Fourth Proportional to 1,127,176.27, 1,555,737.98 and 1,036,388.43

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Solution

The fourth proportional to 1,127,176.27, 1,555,737.98 and 1,036,388.43 is: 1,430,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,176.27 : 1,555,737.98 = 1,036,388.43 : x
  2. Step 2: Convert to fraction form
    1,127,176.27/1,555,737.98 = 1,036,388.43/x
  3. Step 3: Cross multiply
    1,127,176.27x = 1,555,737.98 × 1,036,388.43
  4. Step 4: Simplify right side
    1,127,176.27x = 1,612,348,837,401.63
  5. Step 5: Solve for x
    x = 1,612,348,837,401.63/1,127,176.27
  6. Step 6: Final answer
    x = 1,430,431.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.