Home / 1,025,169.30-1,539,309.15-788,778.90

Finding the Fourth Proportional to 1,025,169.30, 1,539,309.15 and 788,778.90

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Solution

The fourth proportional to 1,025,169.30, 1,539,309.15 and 788,778.90 is: 1,184,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,169.30 : 1,539,309.15 = 788,778.90 : x
  2. Step 2: Convert to fraction form
    1,025,169.30/1,539,309.15 = 788,778.90/x
  3. Step 3: Cross multiply
    1,025,169.30x = 1,539,309.15 × 788,778.90
  4. Step 4: Simplify right side
    1,025,169.30x = 1,214,174,578,096.94
  5. Step 5: Solve for x
    x = 1,214,174,578,096.94/1,025,169.30
  6. Step 6: Final answer
    x = 1,184,364.94

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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.