Home / 1,418,813.60-2,128,220.40-1,362,826.40

Finding the Fourth Proportional to 1,418,813.60, 2,128,220.40 and 1,362,826.40

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Solution

The fourth proportional to 1,418,813.60, 2,128,220.40 and 1,362,826.40 is: 2,044,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,813.60 : 2,128,220.40 = 1,362,826.40 : x
  2. Step 2: Convert to fraction form
    1,418,813.60/2,128,220.40 = 1,362,826.40/x
  3. Step 3: Cross multiply
    1,418,813.60x = 2,128,220.40 × 1,362,826.40
  4. Step 4: Simplify right side
    1,418,813.60x = 2,900,394,946,138.56
  5. Step 5: Solve for x
    x = 2,900,394,946,138.56/1,418,813.60
  6. Step 6: Final answer
    x = 2,044,239.60

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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.