Home / 1,347,485.60-2,021,228.40-673,670.90

Finding the Fourth Proportional to 1,347,485.60, 2,021,228.40 and 673,670.90

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Solution

The fourth proportional to 1,347,485.60, 2,021,228.40 and 673,670.90 is: 1,010,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,485.60 : 2,021,228.40 = 673,670.90 : x
  2. Step 2: Convert to fraction form
    1,347,485.60/2,021,228.40 = 673,670.90/x
  3. Step 3: Cross multiply
    1,347,485.60x = 2,021,228.40 × 673,670.90
  4. Step 4: Simplify right side
    1,347,485.60x = 1,361,642,755,333.56
  5. Step 5: Solve for x
    x = 1,361,642,755,333.56/1,347,485.60
  6. Step 6: Final answer
    x = 1,010,506.35

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Double scale
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Similar ratio
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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.