Home / 1,371,728.40-2,054,871-914,914.32

Finding the Fourth Proportional to 1,371,728.40, 2,054,871 and 914,914.32

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Solution

The fourth proportional to 1,371,728.40, 2,054,871 and 914,914.32 is: 1,370,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,728.40 : 2,054,871 = 914,914.32 : x
  2. Step 2: Convert to fraction form
    1,371,728.40/2,054,871 = 914,914.32/x
  3. Step 3: Cross multiply
    1,371,728.40x = 2,054,871 × 914,914.32
  4. Step 4: Simplify right side
    1,371,728.40x = 1,880,030,903,652.72
  5. Step 5: Solve for x
    x = 1,880,030,903,652.72/1,371,728.40
  6. Step 6: Final answer
    x = 1,370,556.23

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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.