Home / 1,091,390.51-1,637,074.24-426,536.75

Finding the Fourth Proportional to 1,091,390.51, 1,637,074.24 and 426,536.75

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Solution

The fourth proportional to 1,091,390.51, 1,637,074.24 and 426,536.75 is: 639,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,390.51 : 1,637,074.24 = 426,536.75 : x
  2. Step 2: Convert to fraction form
    1,091,390.51/1,637,074.24 = 426,536.75/x
  3. Step 3: Cross multiply
    1,091,390.51x = 1,637,074.24 × 426,536.75
  4. Step 4: Simplify right side
    1,091,390.51x = 698,272,325,838.32
  5. Step 5: Solve for x
    x = 698,272,325,838.32/1,091,390.51
  6. Step 6: Final answer
    x = 639,800.62

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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.