Home / 1,403,187.60-2,104,781.40-978,034.80

Finding the Fourth Proportional to 1,403,187.60, 2,104,781.40 and 978,034.80

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Solution

The fourth proportional to 1,403,187.60, 2,104,781.40 and 978,034.80 is: 1,467,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,187.60 : 2,104,781.40 = 978,034.80 : x
  2. Step 2: Convert to fraction form
    1,403,187.60/2,104,781.40 = 978,034.80/x
  3. Step 3: Cross multiply
    1,403,187.60x = 2,104,781.40 × 978,034.80
  4. Step 4: Simplify right side
    1,403,187.60x = 2,058,549,455,592.72
  5. Step 5: Solve for x
    x = 2,058,549,455,592.72/1,403,187.60
  6. Step 6: Final answer
    x = 1,467,052.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.