Home / 821,014.94-1,133,783.18-776,285.93

Finding the Fourth Proportional to 821,014.94, 1,133,783.18 and 776,285.93

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Solution

The fourth proportional to 821,014.94, 1,133,783.18 and 776,285.93 is: 1,072,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,014.94 : 1,133,783.18 = 776,285.93 : x
  2. Step 2: Convert to fraction form
    821,014.94/1,133,783.18 = 776,285.93/x
  3. Step 3: Cross multiply
    821,014.94x = 1,133,783.18 × 776,285.93
  4. Step 4: Simplify right side
    821,014.94x = 880,139,920,754.31
  5. Step 5: Solve for x
    x = 880,139,920,754.31/821,014.94
  6. Step 6: Final answer
    x = 1,072,014.51

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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.