Home / 1,396,130.20-2,094,200.77-922,710.31

Finding the Fourth Proportional to 1,396,130.20, 2,094,200.77 and 922,710.31

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Solution

The fourth proportional to 1,396,130.20, 2,094,200.77 and 922,710.31 is: 1,384,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,130.20 : 2,094,200.77 = 922,710.31 : x
  2. Step 2: Convert to fraction form
    1,396,130.20/2,094,200.77 = 922,710.31/x
  3. Step 3: Cross multiply
    1,396,130.20x = 2,094,200.77 × 922,710.31
  4. Step 4: Simplify right side
    1,396,130.20x = 1,932,340,641,688.94
  5. Step 5: Solve for x
    x = 1,932,340,641,688.94/1,396,130.20
  6. Step 6: Final answer
    x = 1,384,069.08

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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.