Home / 1,137,035.60-1,705,092.60-388,696.40

Finding the Fourth Proportional to 1,137,035.60, 1,705,092.60 and 388,696.40

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Solution

The fourth proportional to 1,137,035.60, 1,705,092.60 and 388,696.40 is: 582,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,035.60 : 1,705,092.60 = 388,696.40 : x
  2. Step 2: Convert to fraction form
    1,137,035.60/1,705,092.60 = 388,696.40/x
  3. Step 3: Cross multiply
    1,137,035.60x = 1,705,092.60 × 388,696.40
  4. Step 4: Simplify right side
    1,137,035.60x = 662,763,355,286.64
  5. Step 5: Solve for x
    x = 662,763,355,286.64/1,137,035.60
  6. Step 6: Final answer
    x = 582,887.08

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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.