Home / 1,217,677.71-1,680,866.24-1,090,131.63

Finding the Fourth Proportional to 1,217,677.71, 1,680,866.24 and 1,090,131.63

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Solution

The fourth proportional to 1,217,677.71, 1,680,866.24 and 1,090,131.63 is: 1,504,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,677.71 : 1,680,866.24 = 1,090,131.63 : x
  2. Step 2: Convert to fraction form
    1,217,677.71/1,680,866.24 = 1,090,131.63/x
  3. Step 3: Cross multiply
    1,217,677.71x = 1,680,866.24 × 1,090,131.63
  4. Step 4: Simplify right side
    1,217,677.71x = 1,832,365,448,572.51
  5. Step 5: Solve for x
    x = 1,832,365,448,572.51/1,217,677.71
  6. Step 6: Final answer
    x = 1,504,803.31

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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.