Home / 1,298,450.68-1,956,538.89-1,066,978.60

Finding the Fourth Proportional to 1,298,450.68, 1,956,538.89 and 1,066,978.60

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Solution

The fourth proportional to 1,298,450.68, 1,956,538.89 and 1,066,978.60 is: 1,607,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,450.68 : 1,956,538.89 = 1,066,978.60 : x
  2. Step 2: Convert to fraction form
    1,298,450.68/1,956,538.89 = 1,066,978.60/x
  3. Step 3: Cross multiply
    1,298,450.68x = 1,956,538.89 × 1,066,978.60
  4. Step 4: Simplify right side
    1,298,450.68x = 2,087,585,125,697.75
  5. Step 5: Solve for x
    x = 2,087,585,125,697.75/1,298,450.68
  6. Step 6: Final answer
    x = 1,607,750.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.