Home / 1,677,265.80-2,314,629.60-913,322.40

Finding the Fourth Proportional to 1,677,265.80, 2,314,629.60 and 913,322.40

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Solution

The fourth proportional to 1,677,265.80, 2,314,629.60 and 913,322.40 is: 1,260,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,265.80 : 2,314,629.60 = 913,322.40 : x
  2. Step 2: Convert to fraction form
    1,677,265.80/2,314,629.60 = 913,322.40/x
  3. Step 3: Cross multiply
    1,677,265.80x = 2,314,629.60 × 913,322.40
  4. Step 4: Simplify right side
    1,677,265.80x = 2,114,003,061,383.04
  5. Step 5: Solve for x
    x = 2,114,003,061,383.04/1,677,265.80
  6. Step 6: Final answer
    x = 1,260,386.43

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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.