Home / 1,000,856.48-1,381,215.12-548,172.32

Finding the Fourth Proportional to 1,000,856.48, 1,381,215.12 and 548,172.32

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Solution

The fourth proportional to 1,000,856.48, 1,381,215.12 and 548,172.32 is: 756,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,856.48 : 1,381,215.12 = 548,172.32 : x
  2. Step 2: Convert to fraction form
    1,000,856.48/1,381,215.12 = 548,172.32/x
  3. Step 3: Cross multiply
    1,000,856.48x = 1,381,215.12 × 548,172.32
  4. Step 4: Simplify right side
    1,000,856.48x = 757,143,896,749.48
  5. Step 5: Solve for x
    x = 757,143,896,749.48/1,000,856.48
  6. Step 6: Final answer
    x = 756,495.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.