Home / 1,431,482-2,147,235.96-434,210

Finding the Fourth Proportional to 1,431,482, 2,147,235.96 and 434,210

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Solution

The fourth proportional to 1,431,482, 2,147,235.96 and 434,210 is: 651,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,482 : 2,147,235.96 = 434,210 : x
  2. Step 2: Convert to fraction form
    1,431,482/2,147,235.96 = 434,210/x
  3. Step 3: Cross multiply
    1,431,482x = 2,147,235.96 × 434,210
  4. Step 4: Simplify right side
    1,431,482x = 932,351,326,191.60
  5. Step 5: Solve for x
    x = 932,351,326,191.60/1,431,482
  6. Step 6: Final answer
    x = 651,318.93

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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.