Home / 1,405,040.60-1,938,961.32-760,460.96

Finding the Fourth Proportional to 1,405,040.60, 1,938,961.32 and 760,460.96

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Solution

The fourth proportional to 1,405,040.60, 1,938,961.32 and 760,460.96 is: 1,049,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,040.60 : 1,938,961.32 = 760,460.96 : x
  2. Step 2: Convert to fraction form
    1,405,040.60/1,938,961.32 = 760,460.96/x
  3. Step 3: Cross multiply
    1,405,040.60x = 1,938,961.32 × 760,460.96
  4. Step 4: Simplify right side
    1,405,040.60x = 1,474,504,386,810.07
  5. Step 5: Solve for x
    x = 1,474,504,386,810.07/1,405,040.60
  6. Step 6: Final answer
    x = 1,049,438.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.