Home / 1,276,890.04-1,915,899.28-669,533.32

Finding the Fourth Proportional to 1,276,890.04, 1,915,899.28 and 669,533.32

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Solution

The fourth proportional to 1,276,890.04, 1,915,899.28 and 669,533.32 is: 1,004,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,890.04 : 1,915,899.28 = 669,533.32 : x
  2. Step 2: Convert to fraction form
    1,276,890.04/1,915,899.28 = 669,533.32/x
  3. Step 3: Cross multiply
    1,276,890.04x = 1,915,899.28 × 669,533.32
  4. Step 4: Simplify right side
    1,276,890.04x = 1,282,758,405,724.01
  5. Step 5: Solve for x
    x = 1,282,758,405,724.01/1,276,890.04
  6. Step 6: Final answer
    x = 1,004,595.83

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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.