Home / 1,311,701.02-1,810,276.53-767,803.84

Finding the Fourth Proportional to 1,311,701.02, 1,810,276.53 and 767,803.84

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Solution

The fourth proportional to 1,311,701.02, 1,810,276.53 and 767,803.84 is: 1,059,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,701.02 : 1,810,276.53 = 767,803.84 : x
  2. Step 2: Convert to fraction form
    1,311,701.02/1,810,276.53 = 767,803.84/x
  3. Step 3: Cross multiply
    1,311,701.02x = 1,810,276.53 × 767,803.84
  4. Step 4: Simplify right side
    1,311,701.02x = 1,389,937,271,195.88
  5. Step 5: Solve for x
    x = 1,389,937,271,195.88/1,311,701.02
  6. Step 6: Final answer
    x = 1,059,644.88

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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.