Home / 1,472,667.12-2,208,741.48-393,193.08

Finding the Fourth Proportional to 1,472,667.12, 2,208,741.48 and 393,193.08

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Solution

The fourth proportional to 1,472,667.12, 2,208,741.48 and 393,193.08 is: 589,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,667.12 : 2,208,741.48 = 393,193.08 : x
  2. Step 2: Convert to fraction form
    1,472,667.12/2,208,741.48 = 393,193.08/x
  3. Step 3: Cross multiply
    1,472,667.12x = 2,208,741.48 × 393,193.08
  4. Step 4: Simplify right side
    1,472,667.12x = 868,461,865,444.96
  5. Step 5: Solve for x
    x = 868,461,865,444.96/1,472,667.12
  6. Step 6: Final answer
    x = 589,720.42

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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.