Home / 1,412,673.28-2,118,962.28-613,954.88

Finding the Fourth Proportional to 1,412,673.28, 2,118,962.28 and 613,954.88

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Solution

The fourth proportional to 1,412,673.28, 2,118,962.28 and 613,954.88 is: 920,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,673.28 : 2,118,962.28 = 613,954.88 : x
  2. Step 2: Convert to fraction form
    1,412,673.28/2,118,962.28 = 613,954.88/x
  3. Step 3: Cross multiply
    1,412,673.28x = 2,118,962.28 × 613,954.88
  4. Step 4: Simplify right side
    1,412,673.28x = 1,300,947,232,341.93
  5. Step 5: Solve for x
    x = 1,300,947,232,341.93/1,412,673.28
  6. Step 6: Final answer
    x = 920,911.62

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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.