Home / 1,055,893.51-1,583,901.87-407,473.12

Finding the Fourth Proportional to 1,055,893.51, 1,583,901.87 and 407,473.12

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Solution

The fourth proportional to 1,055,893.51, 1,583,901.87 and 407,473.12 is: 611,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,893.51 : 1,583,901.87 = 407,473.12 : x
  2. Step 2: Convert to fraction form
    1,055,893.51/1,583,901.87 = 407,473.12/x
  3. Step 3: Cross multiply
    1,055,893.51x = 1,583,901.87 × 407,473.12
  4. Step 4: Simplify right side
    1,055,893.51x = 645,397,436,742.74
  5. Step 5: Solve for x
    x = 645,397,436,742.74/1,055,893.51
  6. Step 6: Final answer
    x = 611,233.45

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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.