Home / 1,268,013.18-1,748,837.87-1,114,723.61

Finding the Fourth Proportional to 1,268,013.18, 1,748,837.87 and 1,114,723.61

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Solution

The fourth proportional to 1,268,013.18, 1,748,837.87 and 1,114,723.61 is: 1,537,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,013.18 : 1,748,837.87 = 1,114,723.61 : x
  2. Step 2: Convert to fraction form
    1,268,013.18/1,748,837.87 = 1,114,723.61/x
  3. Step 3: Cross multiply
    1,268,013.18x = 1,748,837.87 × 1,114,723.61
  4. Step 4: Simplify right side
    1,268,013.18x = 1,949,470,849,433.30
  5. Step 5: Solve for x
    x = 1,949,470,849,433.30/1,268,013.18
  6. Step 6: Final answer
    x = 1,537,421.60

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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.