Home / 1,578,450.84-2,366,940.20-820,088.45

Finding the Fourth Proportional to 1,578,450.84, 2,366,940.20 and 820,088.45

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Solution

The fourth proportional to 1,578,450.84, 2,366,940.20 and 820,088.45 is: 1,229,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,450.84 : 2,366,940.20 = 820,088.45 : x
  2. Step 2: Convert to fraction form
    1,578,450.84/2,366,940.20 = 820,088.45/x
  3. Step 3: Cross multiply
    1,578,450.84x = 2,366,940.20 × 820,088.45
  4. Step 4: Simplify right side
    1,578,450.84x = 1,941,100,303,925.55
  5. Step 5: Solve for x
    x = 1,941,100,303,925.55/1,578,450.84
  6. Step 6: Final answer
    x = 1,229,750.24

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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.