Home / 1,105,739.72-1,526,391.64-743,373.76

Finding the Fourth Proportional to 1,105,739.72, 1,526,391.64 and 743,373.76

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Solution

The fourth proportional to 1,105,739.72, 1,526,391.64 and 743,373.76 is: 1,026,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,739.72 : 1,526,391.64 = 743,373.76 : x
  2. Step 2: Convert to fraction form
    1,105,739.72/1,526,391.64 = 743,373.76/x
  3. Step 3: Cross multiply
    1,105,739.72x = 1,526,391.64 × 743,373.76
  4. Step 4: Simplify right side
    1,105,739.72x = 1,134,679,492,659.37
  5. Step 5: Solve for x
    x = 1,134,679,492,659.37/1,105,739.72
  6. Step 6: Final answer
    x = 1,026,172.32

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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.