Home / 1,658,087.20-2,487,130.80-859,103.20

Finding the Fourth Proportional to 1,658,087.20, 2,487,130.80 and 859,103.20

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Solution

The fourth proportional to 1,658,087.20, 2,487,130.80 and 859,103.20 is: 1,288,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,087.20 : 2,487,130.80 = 859,103.20 : x
  2. Step 2: Convert to fraction form
    1,658,087.20/2,487,130.80 = 859,103.20/x
  3. Step 3: Cross multiply
    1,658,087.20x = 2,487,130.80 × 859,103.20
  4. Step 4: Simplify right side
    1,658,087.20x = 2,136,702,029,098.56
  5. Step 5: Solve for x
    x = 2,136,702,029,098.56/1,658,087.20
  6. Step 6: Final answer
    x = 1,288,654.80

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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.