Home / 1,551,512.24-2,141,696.76-978,438.32

Finding the Fourth Proportional to 1,551,512.24, 2,141,696.76 and 978,438.32

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Solution

The fourth proportional to 1,551,512.24, 2,141,696.76 and 978,438.32 is: 1,350,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,512.24 : 2,141,696.76 = 978,438.32 : x
  2. Step 2: Convert to fraction form
    1,551,512.24/2,141,696.76 = 978,438.32/x
  3. Step 3: Cross multiply
    1,551,512.24x = 2,141,696.76 × 978,438.32
  4. Step 4: Simplify right side
    1,551,512.24x = 2,095,518,179,803.84
  5. Step 5: Solve for x
    x = 2,095,518,179,803.84/1,551,512.24
  6. Step 6: Final answer
    x = 1,350,629.49

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1.5x scale

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.