Home / 1,286,693.46-1,930,056.62-340,056

Finding the Fourth Proportional to 1,286,693.46, 1,930,056.62 and 340,056

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Solution

The fourth proportional to 1,286,693.46, 1,930,056.62 and 340,056 is: 510,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,693.46 : 1,930,056.62 = 340,056 : x
  2. Step 2: Convert to fraction form
    1,286,693.46/1,930,056.62 = 340,056/x
  3. Step 3: Cross multiply
    1,286,693.46x = 1,930,056.62 × 340,056
  4. Step 4: Simplify right side
    1,286,693.46x = 656,327,333,970.72
  5. Step 5: Solve for x
    x = 656,327,333,970.72/1,286,693.46
  6. Step 6: Final answer
    x = 510,088.34

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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.