Home / 1,026,529.21-1,539,767.90-278,555.77

Finding the Fourth Proportional to 1,026,529.21, 1,539,767.90 and 278,555.77

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Solution

The fourth proportional to 1,026,529.21, 1,539,767.90 and 278,555.77 is: 417,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,529.21 : 1,539,767.90 = 278,555.77 : x
  2. Step 2: Convert to fraction form
    1,026,529.21/1,539,767.90 = 278,555.77/x
  3. Step 3: Cross multiply
    1,026,529.21x = 1,539,767.90 × 278,555.77
  4. Step 4: Simplify right side
    1,026,529.21x = 428,911,231,613.00
  5. Step 5: Solve for x
    x = 428,911,231,613.00/1,026,529.21
  6. Step 6: Final answer
    x = 417,826.62

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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.