Home / 1,412,695.84-2,118,996.38-613,977.32

Finding the Fourth Proportional to 1,412,695.84, 2,118,996.38 and 613,977.32

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Solution

The fourth proportional to 1,412,695.84, 2,118,996.38 and 613,977.32 is: 920,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,695.84 : 2,118,996.38 = 613,977.32 : x
  2. Step 2: Convert to fraction form
    1,412,695.84/2,118,996.38 = 613,977.32/x
  3. Step 3: Cross multiply
    1,412,695.84x = 2,118,996.38 × 613,977.32
  4. Step 4: Simplify right side
    1,412,695.84x = 1,301,015,718,482.10
  5. Step 5: Solve for x
    x = 1,301,015,718,482.10/1,412,695.84
  6. Step 6: Final answer
    x = 920,945.39

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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.