Home / 1,557,281.40-2,335,749.30-1,276,308.60

Finding the Fourth Proportional to 1,557,281.40, 2,335,749.30 and 1,276,308.60

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Solution

The fourth proportional to 1,557,281.40, 2,335,749.30 and 1,276,308.60 is: 1,914,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,281.40 : 2,335,749.30 = 1,276,308.60 : x
  2. Step 2: Convert to fraction form
    1,557,281.40/2,335,749.30 = 1,276,308.60/x
  3. Step 3: Cross multiply
    1,557,281.40x = 2,335,749.30 × 1,276,308.60
  4. Step 4: Simplify right side
    1,557,281.40x = 2,981,136,919,033.98
  5. Step 5: Solve for x
    x = 2,981,136,919,033.98/1,557,281.40
  6. Step 6: Final answer
    x = 1,914,321.28

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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.