Home / 1,429,975.38-2,152,693.78-1,302,709.52

Finding the Fourth Proportional to 1,429,975.38, 2,152,693.78 and 1,302,709.52

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Solution

The fourth proportional to 1,429,975.38, 2,152,693.78 and 1,302,709.52 is: 1,961,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,975.38 : 2,152,693.78 = 1,302,709.52 : x
  2. Step 2: Convert to fraction form
    1,429,975.38/2,152,693.78 = 1,302,709.52/x
  3. Step 3: Cross multiply
    1,429,975.38x = 2,152,693.78 × 1,302,709.52
  4. Step 4: Simplify right side
    1,429,975.38x = 2,804,334,680,850.79
  5. Step 5: Solve for x
    x = 2,804,334,680,850.79/1,429,975.38
  6. Step 6: Final answer
    x = 1,961,106.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.