Home / 1,054,421.13-1,581,304.57-380,414.81

Finding the Fourth Proportional to 1,054,421.13, 1,581,304.57 and 380,414.81

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Solution

The fourth proportional to 1,054,421.13, 1,581,304.57 and 380,414.81 is: 570,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,421.13 : 1,581,304.57 = 380,414.81 : x
  2. Step 2: Convert to fraction form
    1,054,421.13/1,581,304.57 = 380,414.81/x
  3. Step 3: Cross multiply
    1,054,421.13x = 1,581,304.57 × 380,414.81
  4. Step 4: Simplify right side
    1,054,421.13x = 601,551,675,646.61
  5. Step 5: Solve for x
    x = 601,551,675,646.61/1,054,421.13
  6. Step 6: Final answer
    x = 570,504.20

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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.