Home / 1,204,638.10-1,806,957.15-921,202.90

Finding the Fourth Proportional to 1,204,638.10, 1,806,957.15 and 921,202.90

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Solution

The fourth proportional to 1,204,638.10, 1,806,957.15 and 921,202.90 is: 1,381,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,638.10 : 1,806,957.15 = 921,202.90 : x
  2. Step 2: Convert to fraction form
    1,204,638.10/1,806,957.15 = 921,202.90/x
  3. Step 3: Cross multiply
    1,204,638.10x = 1,806,957.15 × 921,202.90
  4. Step 4: Simplify right side
    1,204,638.10x = 1,664,574,166,755.74
  5. Step 5: Solve for x
    x = 1,664,574,166,755.74/1,204,638.10
  6. Step 6: Final answer
    x = 1,381,804.35

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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.