Home / 1,424,437.28-1,965,832.56-812,603.54

Finding the Fourth Proportional to 1,424,437.28, 1,965,832.56 and 812,603.54

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Solution

The fourth proportional to 1,424,437.28, 1,965,832.56 and 812,603.54 is: 1,121,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,437.28 : 1,965,832.56 = 812,603.54 : x
  2. Step 2: Convert to fraction form
    1,424,437.28/1,965,832.56 = 812,603.54/x
  3. Step 3: Cross multiply
    1,424,437.28x = 1,965,832.56 × 812,603.54
  4. Step 4: Simplify right side
    1,424,437.28x = 1,597,442,497,303.26
  5. Step 5: Solve for x
    x = 1,597,442,497,303.26/1,424,437.28
  6. Step 6: Final answer
    x = 1,121,455.13

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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.