Home / 1,008,491.28-1,391,718.18-549,605.94

Finding the Fourth Proportional to 1,008,491.28, 1,391,718.18 and 549,605.94

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Solution

The fourth proportional to 1,008,491.28, 1,391,718.18 and 549,605.94 is: 758,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,491.28 : 1,391,718.18 = 549,605.94 : x
  2. Step 2: Convert to fraction form
    1,008,491.28/1,391,718.18 = 549,605.94/x
  3. Step 3: Cross multiply
    1,008,491.28x = 1,391,718.18 × 549,605.94
  4. Step 4: Simplify right side
    1,008,491.28x = 764,896,578,533.99
  5. Step 5: Solve for x
    x = 764,896,578,533.99/1,008,491.28
  6. Step 6: Final answer
    x = 758,456.31

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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.