Home / 1,258,869.30-1,889,091.27-510,915.30

Finding the Fourth Proportional to 1,258,869.30, 1,889,091.27 and 510,915.30

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Solution

The fourth proportional to 1,258,869.30, 1,889,091.27 and 510,915.30 is: 766,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,869.30 : 1,889,091.27 = 510,915.30 : x
  2. Step 2: Convert to fraction form
    1,258,869.30/1,889,091.27 = 510,915.30/x
  3. Step 3: Cross multiply
    1,258,869.30x = 1,889,091.27 × 510,915.30
  4. Step 4: Simplify right side
    1,258,869.30x = 965,165,632,939.43
  5. Step 5: Solve for x
    x = 965,165,632,939.43/1,258,869.30
  6. Step 6: Final answer
    x = 766,692.49

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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.