Home / 1,365,044.69-2,047,865.93-418,489.22

Finding the Fourth Proportional to 1,365,044.69, 2,047,865.93 and 418,489.22

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Solution

The fourth proportional to 1,365,044.69, 2,047,865.93 and 418,489.22 is: 627,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,044.69 : 2,047,865.93 = 418,489.22 : x
  2. Step 2: Convert to fraction form
    1,365,044.69/2,047,865.93 = 418,489.22/x
  3. Step 3: Cross multiply
    1,365,044.69x = 2,047,865.93 × 418,489.22
  4. Step 4: Simplify right side
    1,365,044.69x = 857,009,803,378.50
  5. Step 5: Solve for x
    x = 857,009,803,378.50/1,365,044.69
  6. Step 6: Final answer
    x = 627,825.46

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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.