Home / 1,020,523.32-1,528,597.98-830,079.72

Finding the Fourth Proportional to 1,020,523.32, 1,528,597.98 and 830,079.72

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Solution

The fourth proportional to 1,020,523.32, 1,528,597.98 and 830,079.72 is: 1,243,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,523.32 : 1,528,597.98 = 830,079.72 : x
  2. Step 2: Convert to fraction form
    1,020,523.32/1,528,597.98 = 830,079.72/x
  3. Step 3: Cross multiply
    1,020,523.32x = 1,528,597.98 × 830,079.72
  4. Step 4: Simplify right side
    1,020,523.32x = 1,268,858,183,230.97
  5. Step 5: Solve for x
    x = 1,268,858,183,230.97/1,020,523.32
  6. Step 6: Final answer
    x = 1,243,340.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.