Home / 1,091,822.24-1,506,826.80-656,380.55

Finding the Fourth Proportional to 1,091,822.24, 1,506,826.80 and 656,380.55

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Solution

The fourth proportional to 1,091,822.24, 1,506,826.80 and 656,380.55 is: 905,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,822.24 : 1,506,826.80 = 656,380.55 : x
  2. Step 2: Convert to fraction form
    1,091,822.24/1,506,826.80 = 656,380.55/x
  3. Step 3: Cross multiply
    1,091,822.24x = 1,506,826.80 × 656,380.55
  4. Step 4: Simplify right side
    1,091,822.24x = 989,051,809,146.76
  5. Step 5: Solve for x
    x = 989,051,809,146.76/1,091,822.24
  6. Step 6: Final answer
    x = 905,872.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.