Home / 1,507,035.75-2,079,700.92-818,702.10

Finding the Fourth Proportional to 1,507,035.75, 2,079,700.92 and 818,702.10

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Solution

The fourth proportional to 1,507,035.75, 2,079,700.92 and 818,702.10 is: 1,129,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,035.75 : 2,079,700.92 = 818,702.10 : x
  2. Step 2: Convert to fraction form
    1,507,035.75/2,079,700.92 = 818,702.10/x
  3. Step 3: Cross multiply
    1,507,035.75x = 2,079,700.92 × 818,702.10
  4. Step 4: Simplify right side
    1,507,035.75x = 1,702,655,510,575.93
  5. Step 5: Solve for x
    x = 1,702,655,510,575.93/1,507,035.75
  6. Step 6: Final answer
    x = 1,129,804.33

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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.