Home / 1,130,118.89-1,559,556.63-613,868.09

Finding the Fourth Proportional to 1,130,118.89, 1,559,556.63 and 613,868.09

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Solution

The fourth proportional to 1,130,118.89, 1,559,556.63 and 613,868.09 is: 847,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,118.89 : 1,559,556.63 = 613,868.09 : x
  2. Step 2: Convert to fraction form
    1,130,118.89/1,559,556.63 = 613,868.09/x
  3. Step 3: Cross multiply
    1,130,118.89x = 1,559,556.63 × 613,868.09
  4. Step 4: Simplify right side
    1,130,118.89x = 957,362,041,907.15
  5. Step 5: Solve for x
    x = 957,362,041,907.15/1,130,118.89
  6. Step 6: Final answer
    x = 847,133.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.