Home / 1,353,081.51-1,866,813.14-922,614.30

Finding the Fourth Proportional to 1,353,081.51, 1,866,813.14 and 922,614.30

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Solution

The fourth proportional to 1,353,081.51, 1,866,813.14 and 922,614.30 is: 1,272,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,081.51 : 1,866,813.14 = 922,614.30 : x
  2. Step 2: Convert to fraction form
    1,353,081.51/1,866,813.14 = 922,614.30/x
  3. Step 3: Cross multiply
    1,353,081.51x = 1,866,813.14 × 922,614.30
  4. Step 4: Simplify right side
    1,353,081.51x = 1,722,348,500,698.44
  5. Step 5: Solve for x
    x = 1,722,348,500,698.44/1,353,081.51
  6. Step 6: Final answer
    x = 1,272,908.16

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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.