Home / 1,054,418.81-1,581,301.13-380,412.50

Finding the Fourth Proportional to 1,054,418.81, 1,581,301.13 and 380,412.50

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Solution

The fourth proportional to 1,054,418.81, 1,581,301.13 and 380,412.50 is: 570,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,418.81 : 1,581,301.13 = 380,412.50 : x
  2. Step 2: Convert to fraction form
    1,054,418.81/1,581,301.13 = 380,412.50/x
  3. Step 3: Cross multiply
    1,054,418.81x = 1,581,301.13 × 380,412.50
  4. Step 4: Simplify right side
    1,054,418.81x = 601,546,706,307.56
  5. Step 5: Solve for x
    x = 601,546,706,307.56/1,054,418.81
  6. Step 6: Final answer
    x = 570,500.74

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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.