Home / 1,054,420.63-1,581,303.82-380,414.31

Finding the Fourth Proportional to 1,054,420.63, 1,581,303.82 and 380,414.31

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Solution

The fourth proportional to 1,054,420.63, 1,581,303.82 and 380,414.31 is: 570,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,420.63 : 1,581,303.82 = 380,414.31 : x
  2. Step 2: Convert to fraction form
    1,054,420.63/1,581,303.82 = 380,414.31/x
  3. Step 3: Cross multiply
    1,054,420.63x = 1,581,303.82 × 380,414.31
  4. Step 4: Simplify right side
    1,054,420.63x = 601,550,599,683.59
  5. Step 5: Solve for x
    x = 601,550,599,683.59/1,054,420.63
  6. Step 6: Final answer
    x = 570,503.45

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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.