Home / 1,530,566.12-2,115,094.30-1,147,928.60

Finding the Fourth Proportional to 1,530,566.12, 2,115,094.30 and 1,147,928.60

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Solution

The fourth proportional to 1,530,566.12, 2,115,094.30 and 1,147,928.60 is: 1,586,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,566.12 : 2,115,094.30 = 1,147,928.60 : x
  2. Step 2: Convert to fraction form
    1,530,566.12/2,115,094.30 = 1,147,928.60/x
  3. Step 3: Cross multiply
    1,530,566.12x = 2,115,094.30 × 1,147,928.60
  4. Step 4: Simplify right side
    1,530,566.12x = 2,427,977,238,666.98
  5. Step 5: Solve for x
    x = 2,427,977,238,666.98/1,530,566.12
  6. Step 6: Final answer
    x = 1,586,326.27

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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.