Home / 1,342,235.62-1,852,173.93-790,865.38

Finding the Fourth Proportional to 1,342,235.62, 1,852,173.93 and 790,865.38

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Solution

The fourth proportional to 1,342,235.62, 1,852,173.93 and 790,865.38 is: 1,091,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,235.62 : 1,852,173.93 = 790,865.38 : x
  2. Step 2: Convert to fraction form
    1,342,235.62/1,852,173.93 = 790,865.38/x
  3. Step 3: Cross multiply
    1,342,235.62x = 1,852,173.93 × 790,865.38
  4. Step 4: Simplify right side
    1,342,235.62x = 1,464,820,238,975.54
  5. Step 5: Solve for x
    x = 1,464,820,238,975.54/1,342,235.62
  6. Step 6: Final answer
    x = 1,091,328.69

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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.