Home / 1,239,759.20-1,859,638.80-1,029,807.20

Finding the Fourth Proportional to 1,239,759.20, 1,859,638.80 and 1,029,807.20

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Solution

The fourth proportional to 1,239,759.20, 1,859,638.80 and 1,029,807.20 is: 1,544,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,759.20 : 1,859,638.80 = 1,029,807.20 : x
  2. Step 2: Convert to fraction form
    1,239,759.20/1,859,638.80 = 1,029,807.20/x
  3. Step 3: Cross multiply
    1,239,759.20x = 1,859,638.80 × 1,029,807.20
  4. Step 4: Simplify right side
    1,239,759.20x = 1,915,069,425,639.36
  5. Step 5: Solve for x
    x = 1,915,069,425,639.36/1,239,759.20
  6. Step 6: Final answer
    x = 1,544,710.80

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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.