Home / 1,158,485.86-1,598,695.05-649,198.18

Finding the Fourth Proportional to 1,158,485.86, 1,598,695.05 and 649,198.18

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Solution

The fourth proportional to 1,158,485.86, 1,598,695.05 and 649,198.18 is: 895,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,485.86 : 1,598,695.05 = 649,198.18 : x
  2. Step 2: Convert to fraction form
    1,158,485.86/1,598,695.05 = 649,198.18/x
  3. Step 3: Cross multiply
    1,158,485.86x = 1,598,695.05 × 649,198.18
  4. Step 4: Simplify right side
    1,158,485.86x = 1,037,869,916,835.01
  5. Step 5: Solve for x
    x = 1,037,869,916,835.01/1,158,485.86
  6. Step 6: Final answer
    x = 895,884.84

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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.