Home / 1,677,816.32-2,315,892.48-1,141,583.36

Finding the Fourth Proportional to 1,677,816.32, 2,315,892.48 and 1,141,583.36

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Solution

The fourth proportional to 1,677,816.32, 2,315,892.48 and 1,141,583.36 is: 1,575,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,816.32 : 2,315,892.48 = 1,141,583.36 : x
  2. Step 2: Convert to fraction form
    1,677,816.32/2,315,892.48 = 1,141,583.36/x
  3. Step 3: Cross multiply
    1,677,816.32x = 2,315,892.48 × 1,141,583.36
  4. Step 4: Simplify right side
    1,677,816.32x = 2,643,784,318,717.13
  5. Step 5: Solve for x
    x = 2,643,784,318,717.13/1,677,816.32
  6. Step 6: Final answer
    x = 1,575,729.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.