Home / 1,290,054.29-1,780,169.63-759,541.79

Finding the Fourth Proportional to 1,290,054.29, 1,780,169.63 and 759,541.79

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Solution

The fourth proportional to 1,290,054.29, 1,780,169.63 and 759,541.79 is: 1,048,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,054.29 : 1,780,169.63 = 759,541.79 : x
  2. Step 2: Convert to fraction form
    1,290,054.29/1,780,169.63 = 759,541.79/x
  3. Step 3: Cross multiply
    1,290,054.29x = 1,780,169.63 × 759,541.79
  4. Step 4: Simplify right side
    1,290,054.29x = 1,352,113,233,623.12
  5. Step 5: Solve for x
    x = 1,352,113,233,623.12/1,290,054.29
  6. Step 6: Final answer
    x = 1,048,105.68

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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.