Home / 1,286,048.64-1,774,584.01-705,118.90

Finding the Fourth Proportional to 1,286,048.64, 1,774,584.01 and 705,118.90

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Solution

The fourth proportional to 1,286,048.64, 1,774,584.01 and 705,118.90 is: 972,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,048.64 : 1,774,584.01 = 705,118.90 : x
  2. Step 2: Convert to fraction form
    1,286,048.64/1,774,584.01 = 705,118.90/x
  3. Step 3: Cross multiply
    1,286,048.64x = 1,774,584.01 × 705,118.90
  4. Step 4: Simplify right side
    1,286,048.64x = 1,251,292,725,088.79
  5. Step 5: Solve for x
    x = 1,251,292,725,088.79/1,286,048.64
  6. Step 6: Final answer
    x = 972,974.65

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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.