Home / 1,325,414.16-1,988,065.71-426,836.01

Finding the Fourth Proportional to 1,325,414.16, 1,988,065.71 and 426,836.01

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Solution

The fourth proportional to 1,325,414.16, 1,988,065.71 and 426,836.01 is: 640,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,414.16 : 1,988,065.71 = 426,836.01 : x
  2. Step 2: Convert to fraction form
    1,325,414.16/1,988,065.71 = 426,836.01/x
  3. Step 3: Cross multiply
    1,325,414.16x = 1,988,065.71 × 426,836.01
  4. Step 4: Simplify right side
    1,325,414.16x = 848,578,035,274.22
  5. Step 5: Solve for x
    x = 848,578,035,274.22/1,325,414.16
  6. Step 6: Final answer
    x = 640,236.13

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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.