Home / 1,363,400.70-2,045,101.05-403,890.90

Finding the Fourth Proportional to 1,363,400.70, 2,045,101.05 and 403,890.90

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Solution

The fourth proportional to 1,363,400.70, 2,045,101.05 and 403,890.90 is: 605,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,400.70 : 2,045,101.05 = 403,890.90 : x
  2. Step 2: Convert to fraction form
    1,363,400.70/2,045,101.05 = 403,890.90/x
  3. Step 3: Cross multiply
    1,363,400.70x = 2,045,101.05 × 403,890.90
  4. Step 4: Simplify right side
    1,363,400.70x = 825,997,703,675.45
  5. Step 5: Solve for x
    x = 825,997,703,675.45/1,363,400.70
  6. Step 6: Final answer
    x = 605,836.35

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Double scale
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Similar ratio
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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.