Home / 1,025,220.30-1,539,385.65-788,829.90

Finding the Fourth Proportional to 1,025,220.30, 1,539,385.65 and 788,829.90

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Solution

The fourth proportional to 1,025,220.30, 1,539,385.65 and 788,829.90 is: 1,184,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,220.30 : 1,539,385.65 = 788,829.90 : x
  2. Step 2: Convert to fraction form
    1,025,220.30/1,539,385.65 = 788,829.90/x
  3. Step 3: Cross multiply
    1,025,220.30x = 1,539,385.65 × 788,829.90
  4. Step 4: Simplify right side
    1,025,220.30x = 1,214,313,428,350.94
  5. Step 5: Solve for x
    x = 1,214,313,428,350.94/1,025,220.30
  6. Step 6: Final answer
    x = 1,184,441.46

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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.