Home / 1,147,401.65-1,583,415.87-638,104.03

Finding the Fourth Proportional to 1,147,401.65, 1,583,415.87 and 638,104.03

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Solution

The fourth proportional to 1,147,401.65, 1,583,415.87 and 638,104.03 is: 880,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,401.65 : 1,583,415.87 = 638,104.03 : x
  2. Step 2: Convert to fraction form
    1,147,401.65/1,583,415.87 = 638,104.03/x
  3. Step 3: Cross multiply
    1,147,401.65x = 1,583,415.87 × 638,104.03
  4. Step 4: Simplify right side
    1,147,401.65x = 1,010,384,047,812.96
  5. Step 5: Solve for x
    x = 1,010,384,047,812.96/1,147,401.65
  6. Step 6: Final answer
    x = 880,584.45

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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.