Home / 1,130,481.80-1,693,754.40-730,916.90

Finding the Fourth Proportional to 1,130,481.80, 1,693,754.40 and 730,916.90

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Solution

The fourth proportional to 1,130,481.80, 1,693,754.40 and 730,916.90 is: 1,095,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,481.80 : 1,693,754.40 = 730,916.90 : x
  2. Step 2: Convert to fraction form
    1,130,481.80/1,693,754.40 = 730,916.90/x
  3. Step 3: Cross multiply
    1,130,481.80x = 1,693,754.40 × 730,916.90
  4. Step 4: Simplify right side
    1,130,481.80x = 1,237,993,715,409.36
  5. Step 5: Solve for x
    x = 1,237,993,715,409.36/1,130,481.80
  6. Step 6: Final answer
    x = 1,095,102.74

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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.