Home / 920,140.20-1,378,914.30-730,924.20

Finding the Fourth Proportional to 920,140.20, 1,378,914.30 and 730,924.20

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Solution

The fourth proportional to 920,140.20, 1,378,914.30 and 730,924.20 is: 1,095,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,140.20 : 1,378,914.30 = 730,924.20 : x
  2. Step 2: Convert to fraction form
    920,140.20/1,378,914.30 = 730,924.20/x
  3. Step 3: Cross multiply
    920,140.20x = 1,378,914.30 × 730,924.20
  4. Step 4: Simplify right side
    920,140.20x = 1,007,881,831,596.06
  5. Step 5: Solve for x
    x = 1,007,881,831,596.06/920,140.20
  6. Step 6: Final answer
    x = 1,095,356.81

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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.