Home / 1,030.78-1,546.65-1,014.40

Finding the Fourth Proportional to 1,030.78, 1,546.65 and 1,014.40

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Solution

The fourth proportional to 1,030.78, 1,546.65 and 1,014.40 is: 1,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.78 : 1,546.65 = 1,014.40 : x
  2. Step 2: Convert to fraction form
    1,030.78/1,546.65 = 1,014.40/x
  3. Step 3: Cross multiply
    1,030.78x = 1,546.65 × 1,014.40
  4. Step 4: Simplify right side
    1,030.78x = 1,568,921.76
  5. Step 5: Solve for x
    x = 1,568,921.76/1,030.78
  6. Step 6: Final answer
    x = 1,522.07

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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.