Home / 1,295,643.60-1,943,611.20-397,078.20

Finding the Fourth Proportional to 1,295,643.60, 1,943,611.20 and 397,078.20

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Solution

The fourth proportional to 1,295,643.60, 1,943,611.20 and 397,078.20 is: 595,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,643.60 : 1,943,611.20 = 397,078.20 : x
  2. Step 2: Convert to fraction form
    1,295,643.60/1,943,611.20 = 397,078.20/x
  3. Step 3: Cross multiply
    1,295,643.60x = 1,943,611.20 × 397,078.20
  4. Step 4: Simplify right side
    1,295,643.60x = 771,765,636,795.84
  5. Step 5: Solve for x
    x = 771,765,636,795.84/1,295,643.60
  6. Step 6: Final answer
    x = 595,661.98

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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.