Home / 1,521,639.55-2,099,502.12-901,131.36

Finding the Fourth Proportional to 1,521,639.55, 2,099,502.12 and 901,131.36

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Solution

The fourth proportional to 1,521,639.55, 2,099,502.12 and 901,131.36 is: 1,243,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,639.55 : 2,099,502.12 = 901,131.36 : x
  2. Step 2: Convert to fraction form
    1,521,639.55/2,099,502.12 = 901,131.36/x
  3. Step 3: Cross multiply
    1,521,639.55x = 2,099,502.12 × 901,131.36
  4. Step 4: Simplify right side
    1,521,639.55x = 1,891,927,200,718.48
  5. Step 5: Solve for x
    x = 1,891,927,200,718.48/1,521,639.55
  6. Step 6: Final answer
    x = 1,243,347.81

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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.