Home / 1,293,411.08-1,784,962.32-720,451.46

Finding the Fourth Proportional to 1,293,411.08, 1,784,962.32 and 720,451.46

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Solution

The fourth proportional to 1,293,411.08, 1,784,962.32 and 720,451.46 is: 994,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,411.08 : 1,784,962.32 = 720,451.46 : x
  2. Step 2: Convert to fraction form
    1,293,411.08/1,784,962.32 = 720,451.46/x
  3. Step 3: Cross multiply
    1,293,411.08x = 1,784,962.32 × 720,451.46
  4. Step 4: Simplify right side
    1,293,411.08x = 1,285,978,709,488.99
  5. Step 5: Solve for x
    x = 1,285,978,709,488.99/1,293,411.08
  6. Step 6: Final answer
    x = 994,253.67

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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.