Home / 1,203,205.70-1,804,808.55-493,742.90

Finding the Fourth Proportional to 1,203,205.70, 1,804,808.55 and 493,742.90

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Solution

The fourth proportional to 1,203,205.70, 1,804,808.55 and 493,742.90 is: 740,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,205.70 : 1,804,808.55 = 493,742.90 : x
  2. Step 2: Convert to fraction form
    1,203,205.70/1,804,808.55 = 493,742.90/x
  3. Step 3: Cross multiply
    1,203,205.70x = 1,804,808.55 × 493,742.90
  4. Step 4: Simplify right side
    1,203,205.70x = 891,111,407,421.80
  5. Step 5: Solve for x
    x = 891,111,407,421.80/1,203,205.70
  6. Step 6: Final answer
    x = 740,614.35

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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.