Home / 1,286,075.18-1,774,863.52-713,115.34

Finding the Fourth Proportional to 1,286,075.18, 1,774,863.52 and 713,115.34

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Solution

The fourth proportional to 1,286,075.18, 1,774,863.52 and 713,115.34 is: 984,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,075.18 : 1,774,863.52 = 713,115.34 : x
  2. Step 2: Convert to fraction form
    1,286,075.18/1,774,863.52 = 713,115.34/x
  3. Step 3: Cross multiply
    1,286,075.18x = 1,774,863.52 × 713,115.34
  4. Step 4: Simplify right side
    1,286,075.18x = 1,265,682,402,518.40
  5. Step 5: Solve for x
    x = 1,265,682,402,518.40/1,286,075.18
  6. Step 6: Final answer
    x = 984,143.40

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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.