Home / 841,277.40-1,261,916.10-757,296.60

Finding the Fourth Proportional to 841,277.40, 1,261,916.10 and 757,296.60

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Solution

The fourth proportional to 841,277.40, 1,261,916.10 and 757,296.60 is: 1,135,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,277.40 : 1,261,916.10 = 757,296.60 : x
  2. Step 2: Convert to fraction form
    841,277.40/1,261,916.10 = 757,296.60/x
  3. Step 3: Cross multiply
    841,277.40x = 1,261,916.10 × 757,296.60
  4. Step 4: Simplify right side
    841,277.40x = 955,644,772,015.26
  5. Step 5: Solve for x
    x = 955,644,772,015.26/841,277.40
  6. Step 6: Final answer
    x = 1,135,944.90

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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.