Home / 1,907,574.80-2,860,487.40-842,068.40

Finding the Fourth Proportional to 1,907,574.80, 2,860,487.40 and 842,068.40

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Solution

The fourth proportional to 1,907,574.80, 2,860,487.40 and 842,068.40 is: 1,262,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,574.80 : 2,860,487.40 = 842,068.40 : x
  2. Step 2: Convert to fraction form
    1,907,574.80/2,860,487.40 = 842,068.40/x
  3. Step 3: Cross multiply
    1,907,574.80x = 2,860,487.40 × 842,068.40
  4. Step 4: Simplify right side
    1,907,574.80x = 2,408,726,048,138.16
  5. Step 5: Solve for x
    x = 2,408,726,048,138.16/1,907,574.80
  6. Step 6: Final answer
    x = 1,262,716.43

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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.