Home / 1,318,786.93-1,820,023.71-738,068.25

Finding the Fourth Proportional to 1,318,786.93, 1,820,023.71 and 738,068.25

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Solution

The fourth proportional to 1,318,786.93, 1,820,023.71 and 738,068.25 is: 1,018,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,786.93 : 1,820,023.71 = 738,068.25 : x
  2. Step 2: Convert to fraction form
    1,318,786.93/1,820,023.71 = 738,068.25/x
  3. Step 3: Cross multiply
    1,318,786.93x = 1,820,023.71 × 738,068.25
  4. Step 4: Simplify right side
    1,318,786.93x = 1,343,301,705,498.09
  5. Step 5: Solve for x
    x = 1,343,301,705,498.09/1,318,786.93
  6. Step 6: Final answer
    x = 1,018,588.88

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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.