Home / 1,087,236.60-1,630,271.70-455,436.60

Finding the Fourth Proportional to 1,087,236.60, 1,630,271.70 and 455,436.60

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Solution

The fourth proportional to 1,087,236.60, 1,630,271.70 and 455,436.60 is: 682,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,236.60 : 1,630,271.70 = 455,436.60 : x
  2. Step 2: Convert to fraction form
    1,087,236.60/1,630,271.70 = 455,436.60/x
  3. Step 3: Cross multiply
    1,087,236.60x = 1,630,271.70 × 455,436.60
  4. Step 4: Simplify right side
    1,087,236.60x = 742,485,400,124.22
  5. Step 5: Solve for x
    x = 742,485,400,124.22/1,087,236.60
  6. Step 6: Final answer
    x = 682,910.60

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Double scale
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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.