Home / 1,319,200.29-1,979,090.82-750,848.81

Finding the Fourth Proportional to 1,319,200.29, 1,979,090.82 and 750,848.81

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Solution

The fourth proportional to 1,319,200.29, 1,979,090.82 and 750,848.81 is: 1,126,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,200.29 : 1,979,090.82 = 750,848.81 : x
  2. Step 2: Convert to fraction form
    1,319,200.29/1,979,090.82 = 750,848.81/x
  3. Step 3: Cross multiply
    1,319,200.29x = 1,979,090.82 × 750,848.81
  4. Step 4: Simplify right side
    1,319,200.29x = 1,485,997,977,183.47
  5. Step 5: Solve for x
    x = 1,485,997,977,183.47/1,319,200.29
  6. Step 6: Final answer
    x = 1,126,438.49

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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.