Home / 1,300,326.15-1,793,665.44-858,803.43

Finding the Fourth Proportional to 1,300,326.15, 1,793,665.44 and 858,803.43

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Solution

The fourth proportional to 1,300,326.15, 1,793,665.44 and 858,803.43 is: 1,184,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,326.15 : 1,793,665.44 = 858,803.43 : x
  2. Step 2: Convert to fraction form
    1,300,326.15/1,793,665.44 = 858,803.43/x
  3. Step 3: Cross multiply
    1,300,326.15x = 1,793,665.44 × 858,803.43
  4. Step 4: Simplify right side
    1,300,326.15x = 1,540,406,032,144.46
  5. Step 5: Solve for x
    x = 1,540,406,032,144.46/1,300,326.15
  6. Step 6: Final answer
    x = 1,184,630.51

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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.