Home / 1,268,402.10-1,902,603.15-520,062.90

Finding the Fourth Proportional to 1,268,402.10, 1,902,603.15 and 520,062.90

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Solution

The fourth proportional to 1,268,402.10, 1,902,603.15 and 520,062.90 is: 780,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,402.10 : 1,902,603.15 = 520,062.90 : x
  2. Step 2: Convert to fraction form
    1,268,402.10/1,902,603.15 = 520,062.90/x
  3. Step 3: Cross multiply
    1,268,402.10x = 1,902,603.15 × 520,062.90
  4. Step 4: Simplify right side
    1,268,402.10x = 989,473,311,738.14
  5. Step 5: Solve for x
    x = 989,473,311,738.14/1,268,402.10
  6. Step 6: Final answer
    x = 780,094.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.