Home / 1,348,510.80-1,861,001.34-775,551.36

Finding the Fourth Proportional to 1,348,510.80, 1,861,001.34 and 775,551.36

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Solution

The fourth proportional to 1,348,510.80, 1,861,001.34 and 775,551.36 is: 1,070,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,510.80 : 1,861,001.34 = 775,551.36 : x
  2. Step 2: Convert to fraction form
    1,348,510.80/1,861,001.34 = 775,551.36/x
  3. Step 3: Cross multiply
    1,348,510.80x = 1,861,001.34 × 775,551.36
  4. Step 4: Simplify right side
    1,348,510.80x = 1,443,302,120,198.82
  5. Step 5: Solve for x
    x = 1,443,302,120,198.82/1,348,510.80
  6. Step 6: Final answer
    x = 1,070,293.33

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Double scale
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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.