Home / 1,510,583.72-2,084,605.51-831,520.22

Finding the Fourth Proportional to 1,510,583.72, 2,084,605.51 and 831,520.22

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Solution

The fourth proportional to 1,510,583.72, 2,084,605.51 and 831,520.22 is: 1,147,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,583.72 : 2,084,605.51 = 831,520.22 : x
  2. Step 2: Convert to fraction form
    1,510,583.72/2,084,605.51 = 831,520.22/x
  3. Step 3: Cross multiply
    1,510,583.72x = 2,084,605.51 × 831,520.22
  4. Step 4: Simplify right side
    1,510,583.72x = 1,733,391,632,288.41
  5. Step 5: Solve for x
    x = 1,733,391,632,288.41/1,510,583.72
  6. Step 6: Final answer
    x = 1,147,497.89

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1.5x scale

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.