Home / 1,788,769.63-2,468,277.56-1,209,253.36

Finding the Fourth Proportional to 1,788,769.63, 2,468,277.56 and 1,209,253.36

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Solution

The fourth proportional to 1,788,769.63, 2,468,277.56 and 1,209,253.36 is: 1,668,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,769.63 : 2,468,277.56 = 1,209,253.36 : x
  2. Step 2: Convert to fraction form
    1,788,769.63/2,468,277.56 = 1,209,253.36/x
  3. Step 3: Cross multiply
    1,788,769.63x = 2,468,277.56 × 1,209,253.36
  4. Step 4: Simplify right side
    1,788,769.63x = 2,984,772,932,842.60
  5. Step 5: Solve for x
    x = 2,984,772,932,842.60/1,788,769.63
  6. Step 6: Final answer
    x = 1,668,617.85

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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.