Home / 1,213,673.34-1,820,542.82-315,095.19

Finding the Fourth Proportional to 1,213,673.34, 1,820,542.82 and 315,095.19

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Solution

The fourth proportional to 1,213,673.34, 1,820,542.82 and 315,095.19 is: 472,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,673.34 : 1,820,542.82 = 315,095.19 : x
  2. Step 2: Convert to fraction form
    1,213,673.34/1,820,542.82 = 315,095.19/x
  3. Step 3: Cross multiply
    1,213,673.34x = 1,820,542.82 × 315,095.19
  4. Step 4: Simplify right side
    1,213,673.34x = 573,644,285,771.04
  5. Step 5: Solve for x
    x = 573,644,285,771.04/1,213,673.34
  6. Step 6: Final answer
    x = 472,651.30

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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.