Home / 788,123.08-1,087,232.31-757,568.26

Finding the Fourth Proportional to 788,123.08, 1,087,232.31 and 757,568.26

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Solution

The fourth proportional to 788,123.08, 1,087,232.31 and 757,568.26 is: 1,045,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,123.08 : 1,087,232.31 = 757,568.26 : x
  2. Step 2: Convert to fraction form
    788,123.08/1,087,232.31 = 757,568.26/x
  3. Step 3: Cross multiply
    788,123.08x = 1,087,232.31 × 757,568.26
  4. Step 4: Simplify right side
    788,123.08x = 823,652,689,302.48
  5. Step 5: Solve for x
    x = 823,652,689,302.48/788,123.08
  6. Step 6: Final answer
    x = 1,045,081.30

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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.