Home / 1,090,043.16-1,634,471.70-379,880.52

Finding the Fourth Proportional to 1,090,043.16, 1,634,471.70 and 379,880.52

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Solution

The fourth proportional to 1,090,043.16, 1,634,471.70 and 379,880.52 is: 569,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,043.16 : 1,634,471.70 = 379,880.52 : x
  2. Step 2: Convert to fraction form
    1,090,043.16/1,634,471.70 = 379,880.52/x
  3. Step 3: Cross multiply
    1,090,043.16x = 1,634,471.70 × 379,880.52
  4. Step 4: Simplify right side
    1,090,043.16x = 620,903,959,321.28
  5. Step 5: Solve for x
    x = 620,903,959,321.28/1,090,043.16
  6. Step 6: Final answer
    x = 569,614.11

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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.