Home / 1,292,313.15-1,783,943.49-920,016.02

Finding the Fourth Proportional to 1,292,313.15, 1,783,943.49 and 920,016.02

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Solution

The fourth proportional to 1,292,313.15, 1,783,943.49 and 920,016.02 is: 1,270,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,313.15 : 1,783,943.49 = 920,016.02 : x
  2. Step 2: Convert to fraction form
    1,292,313.15/1,783,943.49 = 920,016.02/x
  3. Step 3: Cross multiply
    1,292,313.15x = 1,783,943.49 × 920,016.02
  4. Step 4: Simplify right side
    1,292,313.15x = 1,641,256,589,574.71
  5. Step 5: Solve for x
    x = 1,641,256,589,574.71/1,292,313.15
  6. Step 6: Final answer
    x = 1,270,014.62

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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.