Home / 1,388,856.84-2,083,451.94-490,113

Finding the Fourth Proportional to 1,388,856.84, 2,083,451.94 and 490,113

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Solution

The fourth proportional to 1,388,856.84, 2,083,451.94 and 490,113 is: 735,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,856.84 : 2,083,451.94 = 490,113 : x
  2. Step 2: Convert to fraction form
    1,388,856.84/2,083,451.94 = 490,113/x
  3. Step 3: Cross multiply
    1,388,856.84x = 2,083,451.94 × 490,113
  4. Step 4: Simplify right side
    1,388,856.84x = 1,021,126,880,669.22
  5. Step 5: Solve for x
    x = 1,021,126,880,669.22/1,388,856.84
  6. Step 6: Final answer
    x = 735,228.32

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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.