Home / 1,280,918.49-1,767,759.06-707,946.36

Finding the Fourth Proportional to 1,280,918.49, 1,767,759.06 and 707,946.36

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Solution

The fourth proportional to 1,280,918.49, 1,767,759.06 and 707,946.36 is: 977,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,918.49 : 1,767,759.06 = 707,946.36 : x
  2. Step 2: Convert to fraction form
    1,280,918.49/1,767,759.06 = 707,946.36/x
  3. Step 3: Cross multiply
    1,280,918.49x = 1,767,759.06 × 707,946.36
  4. Step 4: Simplify right side
    1,280,918.49x = 1,251,478,591,884.02
  5. Step 5: Solve for x
    x = 1,251,478,591,884.02/1,280,918.49
  6. Step 6: Final answer
    x = 977,016.57

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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.