Home / 1,374,349.12-1,897,452.48-916,109.44

Finding the Fourth Proportional to 1,374,349.12, 1,897,452.48 and 916,109.44

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Solution

The fourth proportional to 1,374,349.12, 1,897,452.48 and 916,109.44 is: 1,264,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,349.12 : 1,897,452.48 = 916,109.44 : x
  2. Step 2: Convert to fraction form
    1,374,349.12/1,897,452.48 = 916,109.44/x
  3. Step 3: Cross multiply
    1,374,349.12x = 1,897,452.48 × 916,109.44
  4. Step 4: Simplify right side
    1,374,349.12x = 1,738,274,128,879.41
  5. Step 5: Solve for x
    x = 1,738,274,128,879.41/1,374,349.12
  6. Step 6: Final answer
    x = 1,264,798.08

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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.