Home / 1,383,183.83-1,908,802.01-771,375.22

Finding the Fourth Proportional to 1,383,183.83, 1,908,802.01 and 771,375.22

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Solution

The fourth proportional to 1,383,183.83, 1,908,802.01 and 771,375.22 is: 1,064,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,183.83 : 1,908,802.01 = 771,375.22 : x
  2. Step 2: Convert to fraction form
    1,383,183.83/1,908,802.01 = 771,375.22/x
  3. Step 3: Cross multiply
    1,383,183.83x = 1,908,802.01 × 771,375.22
  4. Step 4: Simplify right side
    1,383,183.83x = 1,472,402,570,400.19
  5. Step 5: Solve for x
    x = 1,472,402,570,400.19/1,383,183.83
  6. Step 6: Final answer
    x = 1,064,502.45

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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.