Home / 1,424,437.12-1,965,728.96-779,917.29

Finding the Fourth Proportional to 1,424,437.12, 1,965,728.96 and 779,917.29

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Solution

The fourth proportional to 1,424,437.12, 1,965,728.96 and 779,917.29 is: 1,076,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,437.12 : 1,965,728.96 = 779,917.29 : x
  2. Step 2: Convert to fraction form
    1,424,437.12/1,965,728.96 = 779,917.29/x
  3. Step 3: Cross multiply
    1,424,437.12x = 1,965,728.96 × 779,917.29
  4. Step 4: Simplify right side
    1,424,437.12x = 1,533,106,003,357.72
  5. Step 5: Solve for x
    x = 1,533,106,003,357.72/1,424,437.12
  6. Step 6: Final answer
    x = 1,076,289.00

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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.