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Finding the Fourth Proportional to 1,445,699, 1,995,076.32 and 801,129.94

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Solution

The fourth proportional to 1,445,699, 1,995,076.32 and 801,129.94 is: 1,105,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,699 : 1,995,076.32 = 801,129.94 : x
  2. Step 2: Convert to fraction form
    1,445,699/1,995,076.32 = 801,129.94/x
  3. Step 3: Cross multiply
    1,445,699x = 1,995,076.32 × 801,129.94
  4. Step 4: Simplify right side
    1,445,699x = 1,598,315,372,537.02
  5. Step 5: Solve for x
    x = 1,598,315,372,537.02/1,445,699
  6. Step 6: Final answer
    x = 1,105,565.80

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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.