Home / 1,264,004.10-1,896,006.15-838,851.30

Finding the Fourth Proportional to 1,264,004.10, 1,896,006.15 and 838,851.30

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Solution

The fourth proportional to 1,264,004.10, 1,896,006.15 and 838,851.30 is: 1,258,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,004.10 : 1,896,006.15 = 838,851.30 : x
  2. Step 2: Convert to fraction form
    1,264,004.10/1,896,006.15 = 838,851.30/x
  3. Step 3: Cross multiply
    1,264,004.10x = 1,896,006.15 × 838,851.30
  4. Step 4: Simplify right side
    1,264,004.10x = 1,590,467,223,735.50
  5. Step 5: Solve for x
    x = 1,590,467,223,735.50/1,264,004.10
  6. Step 6: Final answer
    x = 1,258,276.95

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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.