Home / 1,286,444.32-1,775,402.16-713,669

Finding the Fourth Proportional to 1,286,444.32, 1,775,402.16 and 713,669

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Solution

The fourth proportional to 1,286,444.32, 1,775,402.16 and 713,669 is: 984,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,444.32 : 1,775,402.16 = 713,669 : x
  2. Step 2: Convert to fraction form
    1,286,444.32/1,775,402.16 = 713,669/x
  3. Step 3: Cross multiply
    1,286,444.32x = 1,775,402.16 × 713,669
  4. Step 4: Simplify right side
    1,286,444.32x = 1,267,049,484,125.04
  5. Step 5: Solve for x
    x = 1,267,049,484,125.04/1,286,444.32
  6. Step 6: Final answer
    x = 984,923.69

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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.