Home / 1,122,420.30-1,548,914.85-613,124.70

Finding the Fourth Proportional to 1,122,420.30, 1,548,914.85 and 613,124.70

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Solution

The fourth proportional to 1,122,420.30, 1,548,914.85 and 613,124.70 is: 846,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,420.30 : 1,548,914.85 = 613,124.70 : x
  2. Step 2: Convert to fraction form
    1,122,420.30/1,548,914.85 = 613,124.70/x
  3. Step 3: Cross multiply
    1,122,420.30x = 1,548,914.85 × 613,124.70
  4. Step 4: Simplify right side
    1,122,420.30x = 949,677,952,731.80
  5. Step 5: Solve for x
    x = 949,677,952,731.80/1,122,420.30
  6. Step 6: Final answer
    x = 846,098.34

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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.