Home / 849,971.78-1,268,738.95-749,084.12

Finding the Fourth Proportional to 849,971.78, 1,268,738.95 and 749,084.12

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Solution

The fourth proportional to 849,971.78, 1,268,738.95 and 749,084.12 is: 1,118,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,971.78 : 1,268,738.95 = 749,084.12 : x
  2. Step 2: Convert to fraction form
    849,971.78/1,268,738.95 = 749,084.12/x
  3. Step 3: Cross multiply
    849,971.78x = 1,268,738.95 × 749,084.12
  4. Step 4: Simplify right side
    849,971.78x = 950,392,193,526.78
  5. Step 5: Solve for x
    x = 950,392,193,526.78/849,971.78
  6. Step 6: Final answer
    x = 1,118,145.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.