Home / 1,557,043.08-2,148,352.38-945,180.60

Finding the Fourth Proportional to 1,557,043.08, 2,148,352.38 and 945,180.60

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Solution

The fourth proportional to 1,557,043.08, 2,148,352.38 and 945,180.60 is: 1,304,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,043.08 : 2,148,352.38 = 945,180.60 : x
  2. Step 2: Convert to fraction form
    1,557,043.08/2,148,352.38 = 945,180.60/x
  3. Step 3: Cross multiply
    1,557,043.08x = 2,148,352.38 × 945,180.60
  4. Step 4: Simplify right side
    1,557,043.08x = 2,030,580,991,539.83
  5. Step 5: Solve for x
    x = 2,030,580,991,539.83/1,557,043.08
  6. Step 6: Final answer
    x = 1,304,126.40

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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.