Home / 1,026,450.45-1,539,675.68-278,496.45

Finding the Fourth Proportional to 1,026,450.45, 1,539,675.68 and 278,496.45

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Solution

The fourth proportional to 1,026,450.45, 1,539,675.68 and 278,496.45 is: 417,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,450.45 : 1,539,675.68 = 278,496.45 : x
  2. Step 2: Convert to fraction form
    1,026,450.45/1,539,675.68 = 278,496.45/x
  3. Step 3: Cross multiply
    1,026,450.45x = 1,539,675.68 × 278,496.45
  4. Step 4: Simplify right side
    1,026,450.45x = 428,794,209,638.85
  5. Step 5: Solve for x
    x = 428,794,209,638.85/1,026,450.45
  6. Step 6: Final answer
    x = 417,744.68

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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.