Home / 1,144,400.84-1,578,676.56-678,983.84

Finding the Fourth Proportional to 1,144,400.84, 1,578,676.56 and 678,983.84

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Solution

The fourth proportional to 1,144,400.84, 1,578,676.56 and 678,983.84 is: 936,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,400.84 : 1,578,676.56 = 678,983.84 : x
  2. Step 2: Convert to fraction form
    1,144,400.84/1,578,676.56 = 678,983.84/x
  3. Step 3: Cross multiply
    1,144,400.84x = 1,578,676.56 × 678,983.84
  4. Step 4: Simplify right side
    1,144,400.84x = 1,071,895,872,826.79
  5. Step 5: Solve for x
    x = 1,071,895,872,826.79/1,144,400.84
  6. Step 6: Final answer
    x = 936,643.73

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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.