Home / 1,054,435.66-1,581,326.40-380,429.38

Finding the Fourth Proportional to 1,054,435.66, 1,581,326.40 and 380,429.38

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Solution

The fourth proportional to 1,054,435.66, 1,581,326.40 and 380,429.38 is: 570,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,435.66 : 1,581,326.40 = 380,429.38 : x
  2. Step 2: Convert to fraction form
    1,054,435.66/1,581,326.40 = 380,429.38/x
  3. Step 3: Cross multiply
    1,054,435.66x = 1,581,326.40 × 380,429.38
  4. Step 4: Simplify right side
    1,054,435.66x = 601,583,021,929.63
  5. Step 5: Solve for x
    x = 601,583,021,929.63/1,054,435.66
  6. Step 6: Final answer
    x = 570,526.06

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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.