Home / 1,412,559.60-2,118,839.40-1,357,447.20

Finding the Fourth Proportional to 1,412,559.60, 2,118,839.40 and 1,357,447.20

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Solution

The fourth proportional to 1,412,559.60, 2,118,839.40 and 1,357,447.20 is: 2,036,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,559.60 : 2,118,839.40 = 1,357,447.20 : x
  2. Step 2: Convert to fraction form
    1,412,559.60/2,118,839.40 = 1,357,447.20/x
  3. Step 3: Cross multiply
    1,412,559.60x = 2,118,839.40 × 1,357,447.20
  4. Step 4: Simplify right side
    1,412,559.60x = 2,876,212,610,779.68
  5. Step 5: Solve for x
    x = 2,876,212,610,779.68/1,412,559.60
  6. Step 6: Final answer
    x = 2,036,170.80

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Why These Related Problems?

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