Home / 1,189,276.32-1,783,898.82-290,725.92

Finding the Fourth Proportional to 1,189,276.32, 1,783,898.82 and 290,725.92

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Solution

The fourth proportional to 1,189,276.32, 1,783,898.82 and 290,725.92 is: 436,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,276.32 : 1,783,898.82 = 290,725.92 : x
  2. Step 2: Convert to fraction form
    1,189,276.32/1,783,898.82 = 290,725.92/x
  3. Step 3: Cross multiply
    1,189,276.32x = 1,783,898.82 × 290,725.92
  4. Step 4: Simplify right side
    1,189,276.32x = 518,625,625,631.41
  5. Step 5: Solve for x
    x = 518,625,625,631.41/1,189,276.32
  6. Step 6: Final answer
    x = 436,085.05

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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.