Home / 1,216,425.08-1,826,292.36-684,320.60

Finding the Fourth Proportional to 1,216,425.08, 1,826,292.36 and 684,320.60

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Solution

The fourth proportional to 1,216,425.08, 1,826,292.36 and 684,320.60 is: 1,027,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,425.08 : 1,826,292.36 = 684,320.60 : x
  2. Step 2: Convert to fraction form
    1,216,425.08/1,826,292.36 = 684,320.60/x
  3. Step 3: Cross multiply
    1,216,425.08x = 1,826,292.36 × 684,320.60
  4. Step 4: Simplify right side
    1,216,425.08x = 1,249,769,483,570.62
  5. Step 5: Solve for x
    x = 1,249,769,483,570.62/1,216,425.08
  6. Step 6: Final answer
    x = 1,027,411.80

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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.