Home / 1,103,675.63-1,654,619.81-345,126.42

Finding the Fourth Proportional to 1,103,675.63, 1,654,619.81 and 345,126.42

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Solution

The fourth proportional to 1,103,675.63, 1,654,619.81 and 345,126.42 is: 517,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,675.63 : 1,654,619.81 = 345,126.42 : x
  2. Step 2: Convert to fraction form
    1,103,675.63/1,654,619.81 = 345,126.42/x
  3. Step 3: Cross multiply
    1,103,675.63x = 1,654,619.81 × 345,126.42
  4. Step 4: Simplify right side
    1,103,675.63x = 571,053,009,760.75
  5. Step 5: Solve for x
    x = 571,053,009,760.75/1,103,675.63
  6. Step 6: Final answer
    x = 517,410.19

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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.