Home / 1,275,012.21-1,759,555.56-702,072.89

Finding the Fourth Proportional to 1,275,012.21, 1,759,555.56 and 702,072.89

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Solution

The fourth proportional to 1,275,012.21, 1,759,555.56 and 702,072.89 is: 968,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,012.21 : 1,759,555.56 = 702,072.89 : x
  2. Step 2: Convert to fraction form
    1,275,012.21/1,759,555.56 = 702,072.89/x
  3. Step 3: Cross multiply
    1,275,012.21x = 1,759,555.56 × 702,072.89
  4. Step 4: Simplify right side
    1,275,012.21x = 1,235,336,257,124.77
  5. Step 5: Solve for x
    x = 1,235,336,257,124.77/1,275,012.21
  6. Step 6: Final answer
    x = 968,881.90

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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.