Home / 1,147,391.87-1,583,402.38-638,094.24

Finding the Fourth Proportional to 1,147,391.87, 1,583,402.38 and 638,094.24

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Solution

The fourth proportional to 1,147,391.87, 1,583,402.38 and 638,094.24 is: 880,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,391.87 : 1,583,402.38 = 638,094.24 : x
  2. Step 2: Convert to fraction form
    1,147,391.87/1,583,402.38 = 638,094.24/x
  3. Step 3: Cross multiply
    1,147,391.87x = 1,583,402.38 × 638,094.24
  4. Step 4: Simplify right side
    1,147,391.87x = 1,010,359,938,280.29
  5. Step 5: Solve for x
    x = 1,010,359,938,280.29/1,147,391.87
  6. Step 6: Final answer
    x = 880,570.94

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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.