Home / 1,328,643.60-1,992,576.60-475,616.40

Finding the Fourth Proportional to 1,328,643.60, 1,992,576.60 and 475,616.40

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Solution

The fourth proportional to 1,328,643.60, 1,992,576.60 and 475,616.40 is: 713,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,643.60 : 1,992,576.60 = 475,616.40 : x
  2. Step 2: Convert to fraction form
    1,328,643.60/1,992,576.60 = 475,616.40/x
  3. Step 3: Cross multiply
    1,328,643.60x = 1,992,576.60 × 475,616.40
  4. Step 4: Simplify right side
    1,328,643.60x = 947,702,109,216.24
  5. Step 5: Solve for x
    x = 947,702,109,216.24/1,328,643.60
  6. Step 6: Final answer
    x = 713,285.42

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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.