Home / 828,368.01-1,145,185.02-820,790.06

Finding the Fourth Proportional to 828,368.01, 1,145,185.02 and 820,790.06

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Solution

The fourth proportional to 828,368.01, 1,145,185.02 and 820,790.06 is: 1,134,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,368.01 : 1,145,185.02 = 820,790.06 : x
  2. Step 2: Convert to fraction form
    828,368.01/1,145,185.02 = 820,790.06/x
  3. Step 3: Cross multiply
    828,368.01x = 1,145,185.02 × 820,790.06
  4. Step 4: Simplify right side
    828,368.01x = 939,956,475,550.98
  5. Step 5: Solve for x
    x = 939,956,475,550.98/828,368.01
  6. Step 6: Final answer
    x = 1,134,708.81

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1.5x scale

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.