Home / 1,507,745.64-2,080,631.88-863,225.76

Finding the Fourth Proportional to 1,507,745.64, 2,080,631.88 and 863,225.76

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Solution

The fourth proportional to 1,507,745.64, 2,080,631.88 and 863,225.76 is: 1,191,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,745.64 : 2,080,631.88 = 863,225.76 : x
  2. Step 2: Convert to fraction form
    1,507,745.64/2,080,631.88 = 863,225.76/x
  3. Step 3: Cross multiply
    1,507,745.64x = 2,080,631.88 × 863,225.76
  4. Step 4: Simplify right side
    1,507,745.64x = 1,796,055,035,893.23
  5. Step 5: Solve for x
    x = 1,796,055,035,893.23/1,507,745.64
  6. Step 6: Final answer
    x = 1,191,218.86

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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.