Home / 1,540,865.33-2,309,795.34-642,564.19

Finding the Fourth Proportional to 1,540,865.33, 2,309,795.34 and 642,564.19

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Solution

The fourth proportional to 1,540,865.33, 2,309,795.34 and 642,564.19 is: 963,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,865.33 : 2,309,795.34 = 642,564.19 : x
  2. Step 2: Convert to fraction form
    1,540,865.33/2,309,795.34 = 642,564.19/x
  3. Step 3: Cross multiply
    1,540,865.33x = 2,309,795.34 × 642,564.19
  4. Step 4: Simplify right side
    1,540,865.33x = 1,484,191,775,804.93
  5. Step 5: Solve for x
    x = 1,484,191,775,804.93/1,540,865.33
  6. Step 6: Final answer
    x = 963,219.66

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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.