Home / 879,079.70-1,318,619.55-816,094.10

Finding the Fourth Proportional to 879,079.70, 1,318,619.55 and 816,094.10

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Solution

The fourth proportional to 879,079.70, 1,318,619.55 and 816,094.10 is: 1,224,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,079.70 : 1,318,619.55 = 816,094.10 : x
  2. Step 2: Convert to fraction form
    879,079.70/1,318,619.55 = 816,094.10/x
  3. Step 3: Cross multiply
    879,079.70x = 1,318,619.55 × 816,094.10
  4. Step 4: Simplify right side
    879,079.70x = 1,076,117,634,899.66
  5. Step 5: Solve for x
    x = 1,076,117,634,899.66/879,079.70
  6. Step 6: Final answer
    x = 1,224,141.15

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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.