Home / 1,137,970.60-1,706,495.10-389,631.40

Finding the Fourth Proportional to 1,137,970.60, 1,706,495.10 and 389,631.40

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Solution

The fourth proportional to 1,137,970.60, 1,706,495.10 and 389,631.40 is: 584,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,970.60 : 1,706,495.10 = 389,631.40 : x
  2. Step 2: Convert to fraction form
    1,137,970.60/1,706,495.10 = 389,631.40/x
  3. Step 3: Cross multiply
    1,137,970.60x = 1,706,495.10 × 389,631.40
  4. Step 4: Simplify right side
    1,137,970.60x = 664,904,074,906.14
  5. Step 5: Solve for x
    x = 664,904,074,906.14/1,137,970.60
  6. Step 6: Final answer
    x = 584,289.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.