Home / 1,286,228.34-1,774,985.13-713,269.98

Finding the Fourth Proportional to 1,286,228.34, 1,774,985.13 and 713,269.98

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Solution

The fourth proportional to 1,286,228.34, 1,774,985.13 and 713,269.98 is: 984,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,228.34 : 1,774,985.13 = 713,269.98 : x
  2. Step 2: Convert to fraction form
    1,286,228.34/1,774,985.13 = 713,269.98/x
  3. Step 3: Cross multiply
    1,286,228.34x = 1,774,985.13 × 713,269.98
  4. Step 4: Simplify right side
    1,286,228.34x = 1,266,043,608,175.40
  5. Step 5: Solve for x
    x = 1,266,043,608,175.40/1,286,228.34
  6. Step 6: Final answer
    x = 984,307.04

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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.