Home / 1,410,872.32-1,947,009.38-766,303.28

Finding the Fourth Proportional to 1,410,872.32, 1,947,009.38 and 766,303.28

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Solution

The fourth proportional to 1,410,872.32, 1,947,009.38 and 766,303.28 is: 1,057,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,872.32 : 1,947,009.38 = 766,303.28 : x
  2. Step 2: Convert to fraction form
    1,410,872.32/1,947,009.38 = 766,303.28/x
  3. Step 3: Cross multiply
    1,410,872.32x = 1,947,009.38 × 766,303.28
  4. Step 4: Simplify right side
    1,410,872.32x = 1,491,999,660,518.20
  5. Step 5: Solve for x
    x = 1,491,999,660,518.20/1,410,872.32
  6. Step 6: Final answer
    x = 1,057,501.55

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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.