Home / 858,045.83-1,287,068.74-814,743.23

Finding the Fourth Proportional to 858,045.83, 1,287,068.74 and 814,743.23

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Solution

The fourth proportional to 858,045.83, 1,287,068.74 and 814,743.23 is: 1,222,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,045.83 : 1,287,068.74 = 814,743.23 : x
  2. Step 2: Convert to fraction form
    858,045.83/1,287,068.74 = 814,743.23/x
  3. Step 3: Cross multiply
    858,045.83x = 1,287,068.74 × 814,743.23
  4. Step 4: Simplify right side
    858,045.83x = 1,048,630,533,987.43
  5. Step 5: Solve for x
    x = 1,048,630,533,987.43/858,045.83
  6. Step 6: Final answer
    x = 1,222,114.84

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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.