Home / 1,347,457.80-2,021,186.70-1,294,313.70

Finding the Fourth Proportional to 1,347,457.80, 2,021,186.70 and 1,294,313.70

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Solution

The fourth proportional to 1,347,457.80, 2,021,186.70 and 1,294,313.70 is: 1,941,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,457.80 : 2,021,186.70 = 1,294,313.70 : x
  2. Step 2: Convert to fraction form
    1,347,457.80/2,021,186.70 = 1,294,313.70/x
  3. Step 3: Cross multiply
    1,347,457.80x = 2,021,186.70 × 1,294,313.70
  4. Step 4: Simplify right side
    1,347,457.80x = 2,616,049,636,067.79
  5. Step 5: Solve for x
    x = 2,616,049,636,067.79/1,347,457.80
  6. Step 6: Final answer
    x = 1,941,470.55

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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.