Home / 1,318,419.25-1,987,510.66-1,230,533.93

Finding the Fourth Proportional to 1,318,419.25, 1,987,510.66 and 1,230,533.93

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Solution

The fourth proportional to 1,318,419.25, 1,987,510.66 and 1,230,533.93 is: 1,855,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,419.25 : 1,987,510.66 = 1,230,533.93 : x
  2. Step 2: Convert to fraction form
    1,318,419.25/1,987,510.66 = 1,230,533.93/x
  3. Step 3: Cross multiply
    1,318,419.25x = 1,987,510.66 × 1,230,533.93
  4. Step 4: Simplify right side
    1,318,419.25x = 2,445,699,305,259.14
  5. Step 5: Solve for x
    x = 2,445,699,305,259.14/1,318,419.25
  6. Step 6: Final answer
    x = 1,855,023.97

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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.