Home / 1,308,725.80-1,806,010.50-856,007.08

Finding the Fourth Proportional to 1,308,725.80, 1,806,010.50 and 856,007.08

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Solution

The fourth proportional to 1,308,725.80, 1,806,010.50 and 856,007.08 is: 1,181,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,725.80 : 1,806,010.50 = 856,007.08 : x
  2. Step 2: Convert to fraction form
    1,308,725.80/1,806,010.50 = 856,007.08/x
  3. Step 3: Cross multiply
    1,308,725.80x = 1,806,010.50 × 856,007.08
  4. Step 4: Simplify right side
    1,308,725.80x = 1,545,957,774,554.34
  5. Step 5: Solve for x
    x = 1,545,957,774,554.34/1,308,725.80
  6. Step 6: Final answer
    x = 1,181,269.43

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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.