Home / 1,439,629.96-2,159,223.52-480,102.36

Finding the Fourth Proportional to 1,439,629.96, 2,159,223.52 and 480,102.36

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Solution

The fourth proportional to 1,439,629.96, 2,159,223.52 and 480,102.36 is: 720,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,629.96 : 2,159,223.52 = 480,102.36 : x
  2. Step 2: Convert to fraction form
    1,439,629.96/2,159,223.52 = 480,102.36/x
  3. Step 3: Cross multiply
    1,439,629.96x = 2,159,223.52 × 480,102.36
  4. Step 4: Simplify right side
    1,439,629.96x = 1,036,648,307,719.51
  5. Step 5: Solve for x
    x = 1,036,648,307,719.51/1,439,629.96
  6. Step 6: Final answer
    x = 720,079.70

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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.