Home / 1,358,157.16-1,872,384.07-1,083,447.40

Finding the Fourth Proportional to 1,358,157.16, 1,872,384.07 and 1,083,447.40

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Solution

The fourth proportional to 1,358,157.16, 1,872,384.07 and 1,083,447.40 is: 1,493,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,157.16 : 1,872,384.07 = 1,083,447.40 : x
  2. Step 2: Convert to fraction form
    1,358,157.16/1,872,384.07 = 1,083,447.40/x
  3. Step 3: Cross multiply
    1,358,157.16x = 1,872,384.07 × 1,083,447.40
  4. Step 4: Simplify right side
    1,358,157.16x = 2,028,629,646,950.27
  5. Step 5: Solve for x
    x = 2,028,629,646,950.27/1,358,157.16
  6. Step 6: Final answer
    x = 1,493,663.41

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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.