Home / 1,054,435.16-1,581,325.65-380,428.88

Finding the Fourth Proportional to 1,054,435.16, 1,581,325.65 and 380,428.88

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Solution

The fourth proportional to 1,054,435.16, 1,581,325.65 and 380,428.88 is: 570,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,435.16 : 1,581,325.65 = 380,428.88 : x
  2. Step 2: Convert to fraction form
    1,054,435.16/1,581,325.65 = 380,428.88/x
  3. Step 3: Cross multiply
    1,054,435.16x = 1,581,325.65 × 380,428.88
  4. Step 4: Simplify right side
    1,054,435.16x = 601,581,945,944.77
  5. Step 5: Solve for x
    x = 601,581,945,944.77/1,054,435.16
  6. Step 6: Final answer
    x = 570,525.31

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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.