Home / 1,440,115.97-2,157,807.08-492,970.01

Finding the Fourth Proportional to 1,440,115.97, 2,157,807.08 and 492,970.01

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Solution

The fourth proportional to 1,440,115.97, 2,157,807.08 and 492,970.01 is: 738,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,115.97 : 2,157,807.08 = 492,970.01 : x
  2. Step 2: Convert to fraction form
    1,440,115.97/2,157,807.08 = 492,970.01/x
  3. Step 3: Cross multiply
    1,440,115.97x = 2,157,807.08 × 492,970.01
  4. Step 4: Simplify right side
    1,440,115.97x = 1,063,734,175,340.82
  5. Step 5: Solve for x
    x = 1,063,734,175,340.82/1,440,115.97
  6. Step 6: Final answer
    x = 738,644.80

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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.