Home / 1,149,740.74-1,724,530.89-429,945.58

Finding the Fourth Proportional to 1,149,740.74, 1,724,530.89 and 429,945.58

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Solution

The fourth proportional to 1,149,740.74, 1,724,530.89 and 429,945.58 is: 644,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,740.74 : 1,724,530.89 = 429,945.58 : x
  2. Step 2: Convert to fraction form
    1,149,740.74/1,724,530.89 = 429,945.58/x
  3. Step 3: Cross multiply
    1,149,740.74x = 1,724,530.89 × 429,945.58
  4. Step 4: Simplify right side
    1,149,740.74x = 741,454,433,728.97
  5. Step 5: Solve for x
    x = 741,454,433,728.97/1,149,740.74
  6. Step 6: Final answer
    x = 644,888.37

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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.