Home / 1,020,754.73-1,530,102.80-641,946.12

Finding the Fourth Proportional to 1,020,754.73, 1,530,102.80 and 641,946.12

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Solution

The fourth proportional to 1,020,754.73, 1,530,102.80 and 641,946.12 is: 962,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,754.73 : 1,530,102.80 = 641,946.12 : x
  2. Step 2: Convert to fraction form
    1,020,754.73/1,530,102.80 = 641,946.12/x
  3. Step 3: Cross multiply
    1,020,754.73x = 1,530,102.80 × 641,946.12
  4. Step 4: Simplify right side
    1,020,754.73x = 982,243,552,451.41
  5. Step 5: Solve for x
    x = 982,243,552,451.41/1,020,754.73
  6. Step 6: Final answer
    x = 962,271.86

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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.