Home / 1,705,036.40-2,563,775.40-1,431,321.20

Finding the Fourth Proportional to 1,705,036.40, 2,563,775.40 and 1,431,321.20

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Solution

The fourth proportional to 1,705,036.40, 2,563,775.40 and 1,431,321.20 is: 2,152,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,036.40 : 2,563,775.40 = 1,431,321.20 : x
  2. Step 2: Convert to fraction form
    1,705,036.40/2,563,775.40 = 1,431,321.20/x
  3. Step 3: Cross multiply
    1,705,036.40x = 2,563,775.40 × 1,431,321.20
  4. Step 4: Simplify right side
    1,705,036.40x = 3,669,586,082,058.48
  5. Step 5: Solve for x
    x = 3,669,586,082,058.48/1,705,036.40
  6. Step 6: Final answer
    x = 2,152,203.95

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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.