Home / 1,054,658.28-1,581,664.23-380,657.28

Finding the Fourth Proportional to 1,054,658.28, 1,581,664.23 and 380,657.28

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Solution

The fourth proportional to 1,054,658.28, 1,581,664.23 and 380,657.28 is: 570,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,658.28 : 1,581,664.23 = 380,657.28 : x
  2. Step 2: Convert to fraction form
    1,054,658.28/1,581,664.23 = 380,657.28/x
  3. Step 3: Cross multiply
    1,054,658.28x = 1,581,664.23 × 380,657.28
  4. Step 4: Simplify right side
    1,054,658.28x = 602,072,003,665.10
  5. Step 5: Solve for x
    x = 602,072,003,665.10/1,054,658.28
  6. Step 6: Final answer
    x = 570,869.27

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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.