Home / 889,411.84-1,335,446.39-876,125.81

Finding the Fourth Proportional to 889,411.84, 1,335,446.39 and 876,125.81

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Solution

The fourth proportional to 889,411.84, 1,335,446.39 and 876,125.81 is: 1,315,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,411.84 : 1,335,446.39 = 876,125.81 : x
  2. Step 2: Convert to fraction form
    889,411.84/1,335,446.39 = 876,125.81/x
  3. Step 3: Cross multiply
    889,411.84x = 1,335,446.39 × 876,125.81
  4. Step 4: Simplify right side
    889,411.84x = 1,170,019,055,679.26
  5. Step 5: Solve for x
    x = 1,170,019,055,679.26/889,411.84
  6. Step 6: Final answer
    x = 1,315,497.51

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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.