Home / 1,009,705.04-1,393,144.32-617,138.56

Finding the Fourth Proportional to 1,009,705.04, 1,393,144.32 and 617,138.56

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Solution

The fourth proportional to 1,009,705.04, 1,393,144.32 and 617,138.56 is: 851,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,705.04 : 1,393,144.32 = 617,138.56 : x
  2. Step 2: Convert to fraction form
    1,009,705.04/1,393,144.32 = 617,138.56/x
  3. Step 3: Cross multiply
    1,009,705.04x = 1,393,144.32 × 617,138.56
  4. Step 4: Simplify right side
    1,009,705.04x = 859,763,079,516.98
  5. Step 5: Solve for x
    x = 859,763,079,516.98/1,009,705.04
  6. Step 6: Final answer
    x = 851,499.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.