Home / 1,129,409.33-1,558,580.33-645,973.79

Finding the Fourth Proportional to 1,129,409.33, 1,558,580.33 and 645,973.79

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Solution

The fourth proportional to 1,129,409.33, 1,558,580.33 and 645,973.79 is: 891,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,409.33 : 1,558,580.33 = 645,973.79 : x
  2. Step 2: Convert to fraction form
    1,129,409.33/1,558,580.33 = 645,973.79/x
  3. Step 3: Cross multiply
    1,129,409.33x = 1,558,580.33 × 645,973.79
  4. Step 4: Simplify right side
    1,129,409.33x = 1,006,802,039,559.68
  5. Step 5: Solve for x
    x = 1,006,802,039,559.68/1,129,409.33
  6. Step 6: Final answer
    x = 891,441.23

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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.