Home / 1,187,612.48-1,637,655.36-897,904.64

Finding the Fourth Proportional to 1,187,612.48, 1,637,655.36 and 897,904.64

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Solution

The fourth proportional to 1,187,612.48, 1,637,655.36 and 897,904.64 is: 1,238,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,612.48 : 1,637,655.36 = 897,904.64 : x
  2. Step 2: Convert to fraction form
    1,187,612.48/1,637,655.36 = 897,904.64/x
  3. Step 3: Cross multiply
    1,187,612.48x = 1,637,655.36 × 897,904.64
  4. Step 4: Simplify right side
    1,187,612.48x = 1,470,458,346,464.87
  5. Step 5: Solve for x
    x = 1,470,458,346,464.87/1,187,612.48
  6. Step 6: Final answer
    x = 1,238,163.43

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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.