Home / 1,076,054.87-1,484,898.78-617,145.86

Finding the Fourth Proportional to 1,076,054.87, 1,484,898.78 and 617,145.86

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Solution

The fourth proportional to 1,076,054.87, 1,484,898.78 and 617,145.86 is: 851,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,054.87 : 1,484,898.78 = 617,145.86 : x
  2. Step 2: Convert to fraction form
    1,076,054.87/1,484,898.78 = 617,145.86/x
  3. Step 3: Cross multiply
    1,076,054.87x = 1,484,898.78 × 617,145.86
  4. Step 4: Simplify right side
    1,076,054.87x = 916,399,134,596.05
  5. Step 5: Solve for x
    x = 916,399,134,596.05/1,076,054.87
  6. Step 6: Final answer
    x = 851,628.63

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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.