Home / 1,122,786.96-1,549,427.76-613,478.40

Finding the Fourth Proportional to 1,122,786.96, 1,549,427.76 and 613,478.40

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Solution

The fourth proportional to 1,122,786.96, 1,549,427.76 and 613,478.40 is: 846,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,786.96 : 1,549,427.76 = 613,478.40 : x
  2. Step 2: Convert to fraction form
    1,122,786.96/1,549,427.76 = 613,478.40/x
  3. Step 3: Cross multiply
    1,122,786.96x = 1,549,427.76 × 613,478.40
  4. Step 4: Simplify right side
    1,122,786.96x = 950,540,463,120.38
  5. Step 5: Solve for x
    x = 950,540,463,120.38/1,122,786.96
  6. Step 6: Final answer
    x = 846,590.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.