Home / 1,094,084.45-1,641,339.40-420,116.21

Finding the Fourth Proportional to 1,094,084.45, 1,641,339.40 and 420,116.21

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Solution

The fourth proportional to 1,094,084.45, 1,641,339.40 and 420,116.21 is: 630,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,084.45 : 1,641,339.40 = 420,116.21 : x
  2. Step 2: Convert to fraction form
    1,094,084.45/1,641,339.40 = 420,116.21/x
  3. Step 3: Cross multiply
    1,094,084.45x = 1,641,339.40 × 420,116.21
  4. Step 4: Simplify right side
    1,094,084.45x = 689,553,283,429.29
  5. Step 5: Solve for x
    x = 689,553,283,429.29/1,094,084.45
  6. Step 6: Final answer
    x = 630,255.99

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1.5x scale

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.