Home / 1,314,102.80-1,970,693.40-682,806.80

Finding the Fourth Proportional to 1,314,102.80, 1,970,693.40 and 682,806.80

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Solution

The fourth proportional to 1,314,102.80, 1,970,693.40 and 682,806.80 is: 1,023,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,102.80 : 1,970,693.40 = 682,806.80 : x
  2. Step 2: Convert to fraction form
    1,314,102.80/1,970,693.40 = 682,806.80/x
  3. Step 3: Cross multiply
    1,314,102.80x = 1,970,693.40 × 682,806.80
  4. Step 4: Simplify right side
    1,314,102.80x = 1,345,602,854,235.12
  5. Step 5: Solve for x
    x = 1,345,602,854,235.12/1,314,102.80
  6. Step 6: Final answer
    x = 1,023,970.77

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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.