Home / 1,610,992.80-2,223,158.40-922,816.80

Finding the Fourth Proportional to 1,610,992.80, 2,223,158.40 and 922,816.80

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Solution

The fourth proportional to 1,610,992.80, 2,223,158.40 and 922,816.80 is: 1,273,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,992.80 : 2,223,158.40 = 922,816.80 : x
  2. Step 2: Convert to fraction form
    1,610,992.80/2,223,158.40 = 922,816.80/x
  3. Step 3: Cross multiply
    1,610,992.80x = 2,223,158.40 × 922,816.80
  4. Step 4: Simplify right side
    1,610,992.80x = 2,051,567,920,581.12
  5. Step 5: Solve for x
    x = 2,051,567,920,581.12/1,610,992.80
  6. Step 6: Final answer
    x = 1,273,480.50

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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.