Home / 1,109,575.37-1,664,457.92-389,854.51

Finding the Fourth Proportional to 1,109,575.37, 1,664,457.92 and 389,854.51

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Solution

The fourth proportional to 1,109,575.37, 1,664,457.92 and 389,854.51 is: 584,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,575.37 : 1,664,457.92 = 389,854.51 : x
  2. Step 2: Convert to fraction form
    1,109,575.37/1,664,457.92 = 389,854.51/x
  3. Step 3: Cross multiply
    1,109,575.37x = 1,664,457.92 × 389,854.51
  4. Step 4: Simplify right side
    1,109,575.37x = 648,896,433,724.26
  5. Step 5: Solve for x
    x = 648,896,433,724.26/1,109,575.37
  6. Step 6: Final answer
    x = 584,815.10

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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.