Home / 1,109,353.66-1,530,980.26-625,742.35

Finding the Fourth Proportional to 1,109,353.66, 1,530,980.26 and 625,742.35

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Solution

The fourth proportional to 1,109,353.66, 1,530,980.26 and 625,742.35 is: 863,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,353.66 : 1,530,980.26 = 625,742.35 : x
  2. Step 2: Convert to fraction form
    1,109,353.66/1,530,980.26 = 625,742.35/x
  3. Step 3: Cross multiply
    1,109,353.66x = 1,530,980.26 × 625,742.35
  4. Step 4: Simplify right side
    1,109,353.66x = 957,999,180,304.21
  5. Step 5: Solve for x
    x = 957,999,180,304.21/1,109,353.66
  6. Step 6: Final answer
    x = 863,565.17

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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.