Home / 1,685,123.70-2,528,013.60-725,577.45

Finding the Fourth Proportional to 1,685,123.70, 2,528,013.60 and 725,577.45

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Solution

The fourth proportional to 1,685,123.70, 2,528,013.60 and 725,577.45 is: 1,088,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,123.70 : 2,528,013.60 = 725,577.45 : x
  2. Step 2: Convert to fraction form
    1,685,123.70/2,528,013.60 = 725,577.45/x
  3. Step 3: Cross multiply
    1,685,123.70x = 2,528,013.60 × 725,577.45
  4. Step 4: Simplify right side
    1,685,123.70x = 1,834,269,661,453.32
  5. Step 5: Solve for x
    x = 1,834,269,661,453.32/1,685,123.70
  6. Step 6: Final answer
    x = 1,088,507.43

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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.