Home / 1,404,659.75-1,938,427.40-760,079.70

Finding the Fourth Proportional to 1,404,659.75, 1,938,427.40 and 760,079.70

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Solution

The fourth proportional to 1,404,659.75, 1,938,427.40 and 760,079.70 is: 1,048,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,659.75 : 1,938,427.40 = 760,079.70 : x
  2. Step 2: Convert to fraction form
    1,404,659.75/1,938,427.40 = 760,079.70/x
  3. Step 3: Cross multiply
    1,404,659.75x = 1,938,427.40 × 760,079.70
  4. Step 4: Simplify right side
    1,404,659.75x = 1,473,359,318,563.98
  5. Step 5: Solve for x
    x = 1,473,359,318,563.98/1,404,659.75
  6. Step 6: Final answer
    x = 1,048,908.34

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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.