Home / 1,455,055.65-2,181,632.94-696,872.43

Finding the Fourth Proportional to 1,455,055.65, 2,181,632.94 and 696,872.43

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Solution

The fourth proportional to 1,455,055.65, 2,181,632.94 and 696,872.43 is: 1,044,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,055.65 : 2,181,632.94 = 696,872.43 : x
  2. Step 2: Convert to fraction form
    1,455,055.65/2,181,632.94 = 696,872.43/x
  3. Step 3: Cross multiply
    1,455,055.65x = 2,181,632.94 × 696,872.43
  4. Step 4: Simplify right side
    1,455,055.65x = 1,520,319,848,265.84
  5. Step 5: Solve for x
    x = 1,520,319,848,265.84/1,455,055.65
  6. Step 6: Final answer
    x = 1,044,853.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.