Home / 1,122,920.64-1,549,621.44-613,613.76

Finding the Fourth Proportional to 1,122,920.64, 1,549,621.44 and 613,613.76

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Solution

The fourth proportional to 1,122,920.64, 1,549,621.44 and 613,613.76 is: 846,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,920.64 : 1,549,621.44 = 613,613.76 : x
  2. Step 2: Convert to fraction form
    1,122,920.64/1,549,621.44 = 613,613.76/x
  3. Step 3: Cross multiply
    1,122,920.64x = 1,549,621.44 × 613,613.76
  4. Step 4: Simplify right side
    1,122,920.64x = 950,869,038,375.01
  5. Step 5: Solve for x
    x = 950,869,038,375.01/1,122,920.64
  6. Step 6: Final answer
    x = 846,782.05

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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.