Home / 1,348,550.06-1,861,065.52-767,784.72

Finding the Fourth Proportional to 1,348,550.06, 1,861,065.52 and 767,784.72

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Solution

The fourth proportional to 1,348,550.06, 1,861,065.52 and 767,784.72 is: 1,059,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,550.06 : 1,861,065.52 = 767,784.72 : x
  2. Step 2: Convert to fraction form
    1,348,550.06/1,861,065.52 = 767,784.72/x
  3. Step 3: Cross multiply
    1,348,550.06x = 1,861,065.52 × 767,784.72
  4. Step 4: Simplify right side
    1,348,550.06x = 1,428,897,669,174.85
  5. Step 5: Solve for x
    x = 1,428,897,669,174.85/1,348,550.06
  6. Step 6: Final answer
    x = 1,059,580.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.