Home / 1,422,410.13-1,962,925.13-777,830.33

Finding the Fourth Proportional to 1,422,410.13, 1,962,925.13 and 777,830.33

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Solution

The fourth proportional to 1,422,410.13, 1,962,925.13 and 777,830.33 is: 1,073,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,410.13 : 1,962,925.13 = 777,830.33 : x
  2. Step 2: Convert to fraction form
    1,422,410.13/1,962,925.13 = 777,830.33/x
  3. Step 3: Cross multiply
    1,422,410.13x = 1,962,925.13 × 777,830.33
  4. Step 4: Simplify right side
    1,422,410.13x = 1,526,822,708,485.08
  5. Step 5: Solve for x
    x = 1,526,822,708,485.08/1,422,410.13
  6. Step 6: Final answer
    x = 1,073,405.40

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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.