Home / 1,019,607.17-1,529,311.46-309,641.36

Finding the Fourth Proportional to 1,019,607.17, 1,529,311.46 and 309,641.36

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Solution

The fourth proportional to 1,019,607.17, 1,529,311.46 and 309,641.36 is: 464,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,607.17 : 1,529,311.46 = 309,641.36 : x
  2. Step 2: Convert to fraction form
    1,019,607.17/1,529,311.46 = 309,641.36/x
  3. Step 3: Cross multiply
    1,019,607.17x = 1,529,311.46 × 309,641.36
  4. Step 4: Simplify right side
    1,019,607.17x = 473,538,071,143.22
  5. Step 5: Solve for x
    x = 473,538,071,143.22/1,019,607.17
  6. Step 6: Final answer
    x = 464,431.88

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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.