Home / 1,127,641.14-1,691,433.12-328,929.60

Finding the Fourth Proportional to 1,127,641.14, 1,691,433.12 and 328,929.60

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Solution

The fourth proportional to 1,127,641.14, 1,691,433.12 and 328,929.60 is: 493,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,641.14 : 1,691,433.12 = 328,929.60 : x
  2. Step 2: Convert to fraction form
    1,127,641.14/1,691,433.12 = 328,929.60/x
  3. Step 3: Cross multiply
    1,127,641.14x = 1,691,433.12 × 328,929.60
  4. Step 4: Simplify right side
    1,127,641.14x = 556,362,419,588.35
  5. Step 5: Solve for x
    x = 556,362,419,588.35/1,127,641.14
  6. Step 6: Final answer
    x = 493,386.06

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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.