Home / 1,286,433.30-1,775,386.98-713,658

Finding the Fourth Proportional to 1,286,433.30, 1,775,386.98 and 713,658

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Solution

The fourth proportional to 1,286,433.30, 1,775,386.98 and 713,658 is: 984,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,433.30 : 1,775,386.98 = 713,658 : x
  2. Step 2: Convert to fraction form
    1,286,433.30/1,775,386.98 = 713,658/x
  3. Step 3: Cross multiply
    1,286,433.30x = 1,775,386.98 × 713,658
  4. Step 4: Simplify right side
    1,286,433.30x = 1,267,019,121,372.84
  5. Step 5: Solve for x
    x = 1,267,019,121,372.84/1,286,433.30
  6. Step 6: Final answer
    x = 984,908.52

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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.