Home / 1,820,912.40-2,731,368.60-876,128.40

Finding the Fourth Proportional to 1,820,912.40, 2,731,368.60 and 876,128.40

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Solution

The fourth proportional to 1,820,912.40, 2,731,368.60 and 876,128.40 is: 1,314,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,912.40 : 2,731,368.60 = 876,128.40 : x
  2. Step 2: Convert to fraction form
    1,820,912.40/2,731,368.60 = 876,128.40/x
  3. Step 3: Cross multiply
    1,820,912.40x = 2,731,368.60 × 876,128.40
  4. Step 4: Simplify right side
    1,820,912.40x = 2,393,029,601,328.24
  5. Step 5: Solve for x
    x = 2,393,029,601,328.24/1,820,912.40
  6. Step 6: Final answer
    x = 1,314,192.60

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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.