Home / 1,138,633.50-1,571,267.03-679,822.77

Finding the Fourth Proportional to 1,138,633.50, 1,571,267.03 and 679,822.77

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Solution

The fourth proportional to 1,138,633.50, 1,571,267.03 and 679,822.77 is: 938,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,633.50 : 1,571,267.03 = 679,822.77 : x
  2. Step 2: Convert to fraction form
    1,138,633.50/1,571,267.03 = 679,822.77/x
  3. Step 3: Cross multiply
    1,138,633.50x = 1,571,267.03 × 679,822.77
  4. Step 4: Simplify right side
    1,138,633.50x = 1,068,183,095,188.38
  5. Step 5: Solve for x
    x = 1,068,183,095,188.38/1,138,633.50
  6. Step 6: Final answer
    x = 938,127.24

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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.