Home / 1,427,221.60-2,141,120.40-416,341.60

Finding the Fourth Proportional to 1,427,221.60, 2,141,120.40 and 416,341.60

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Solution

The fourth proportional to 1,427,221.60, 2,141,120.40 and 416,341.60 is: 624,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,221.60 : 2,141,120.40 = 416,341.60 : x
  2. Step 2: Convert to fraction form
    1,427,221.60/2,141,120.40 = 416,341.60/x
  3. Step 3: Cross multiply
    1,427,221.60x = 2,141,120.40 × 416,341.60
  4. Step 4: Simplify right side
    1,427,221.60x = 891,437,493,128.64
  5. Step 5: Solve for x
    x = 891,437,493,128.64/1,427,221.60
  6. Step 6: Final answer
    x = 624,596.41

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1.5x scale

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.