Home / 1,219,503.84-1,828,868.25-1,139,898.48

Finding the Fourth Proportional to 1,219,503.84, 1,828,868.25 and 1,139,898.48

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Solution

The fourth proportional to 1,219,503.84, 1,828,868.25 and 1,139,898.48 is: 1,709,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,503.84 : 1,828,868.25 = 1,139,898.48 : x
  2. Step 2: Convert to fraction form
    1,219,503.84/1,828,868.25 = 1,139,898.48/x
  3. Step 3: Cross multiply
    1,219,503.84x = 1,828,868.25 × 1,139,898.48
  4. Step 4: Simplify right side
    1,219,503.84x = 2,084,724,138,295.26
  5. Step 5: Solve for x
    x = 2,084,724,138,295.26/1,219,503.84
  6. Step 6: Final answer
    x = 1,709,485.51

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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.