Home / 1,109,036.64-1,663,381.44-361,077.60

Finding the Fourth Proportional to 1,109,036.64, 1,663,381.44 and 361,077.60

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Solution

The fourth proportional to 1,109,036.64, 1,663,381.44 and 361,077.60 is: 541,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,036.64 : 1,663,381.44 = 361,077.60 : x
  2. Step 2: Convert to fraction form
    1,109,036.64/1,663,381.44 = 361,077.60/x
  3. Step 3: Cross multiply
    1,109,036.64x = 1,663,381.44 × 361,077.60
  4. Step 4: Simplify right side
    1,109,036.64x = 600,609,778,239.74
  5. Step 5: Solve for x
    x = 600,609,778,239.74/1,109,036.64
  6. Step 6: Final answer
    x = 541,559.91

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Double scale
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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.