Home / 1,448,977.20-2,173,465.80-910,100.40

Finding the Fourth Proportional to 1,448,977.20, 2,173,465.80 and 910,100.40

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Solution

The fourth proportional to 1,448,977.20, 2,173,465.80 and 910,100.40 is: 1,365,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,977.20 : 2,173,465.80 = 910,100.40 : x
  2. Step 2: Convert to fraction form
    1,448,977.20/2,173,465.80 = 910,100.40/x
  3. Step 3: Cross multiply
    1,448,977.20x = 2,173,465.80 × 910,100.40
  4. Step 4: Simplify right side
    1,448,977.20x = 1,978,072,093,966.32
  5. Step 5: Solve for x
    x = 1,978,072,093,966.32/1,448,977.20
  6. Step 6: Final answer
    x = 1,365,150.60

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Similar ratio
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1.5x scale

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.