Home / 1,898,744.70-2,848,128.93-776,813.70

Finding the Fourth Proportional to 1,898,744.70, 2,848,128.93 and 776,813.70

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Solution

The fourth proportional to 1,898,744.70, 2,848,128.93 and 776,813.70 is: 1,165,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,744.70 : 2,848,128.93 = 776,813.70 : x
  2. Step 2: Convert to fraction form
    1,898,744.70/2,848,128.93 = 776,813.70/x
  3. Step 3: Cross multiply
    1,898,744.70x = 2,848,128.93 × 776,813.70
  4. Step 4: Simplify right side
    1,898,744.70x = 2,212,465,572,190.34
  5. Step 5: Solve for x
    x = 2,212,465,572,190.34/1,898,744.70
  6. Step 6: Final answer
    x = 1,165,225.41

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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.