Home / 1,286,485.52-1,773,299.40-1,014,109.52

Finding the Fourth Proportional to 1,286,485.52, 1,773,299.40 and 1,014,109.52

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Solution

The fourth proportional to 1,286,485.52, 1,773,299.40 and 1,014,109.52 is: 1,397,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,485.52 : 1,773,299.40 = 1,014,109.52 : x
  2. Step 2: Convert to fraction form
    1,286,485.52/1,773,299.40 = 1,014,109.52/x
  3. Step 3: Cross multiply
    1,286,485.52x = 1,773,299.40 × 1,014,109.52
  4. Step 4: Simplify right side
    1,286,485.52x = 1,798,319,803,350.29
  5. Step 5: Solve for x
    x = 1,798,319,803,350.29/1,286,485.52
  6. Step 6: Final answer
    x = 1,397,854.68

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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.