Home / 1,221,364.08-1,685,684.08-677,674.80

Finding the Fourth Proportional to 1,221,364.08, 1,685,684.08 and 677,674.80

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Solution

The fourth proportional to 1,221,364.08, 1,685,684.08 and 677,674.80 is: 935,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,364.08 : 1,685,684.08 = 677,674.80 : x
  2. Step 2: Convert to fraction form
    1,221,364.08/1,685,684.08 = 677,674.80/x
  3. Step 3: Cross multiply
    1,221,364.08x = 1,685,684.08 × 677,674.80
  4. Step 4: Simplify right side
    1,221,364.08x = 1,142,345,621,777.18
  5. Step 5: Solve for x
    x = 1,142,345,621,777.18/1,221,364.08
  6. Step 6: Final answer
    x = 935,303.11

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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.