Home / 1,276,887.06-1,915,894.80-669,530.34

Finding the Fourth Proportional to 1,276,887.06, 1,915,894.80 and 669,530.34

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Solution

The fourth proportional to 1,276,887.06, 1,915,894.80 and 669,530.34 is: 1,004,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,887.06 : 1,915,894.80 = 669,530.34 : x
  2. Step 2: Convert to fraction form
    1,276,887.06/1,915,894.80 = 669,530.34/x
  3. Step 3: Cross multiply
    1,276,887.06x = 1,915,894.80 × 669,530.34
  4. Step 4: Simplify right side
    1,276,887.06x = 1,282,749,696,848.23
  5. Step 5: Solve for x
    x = 1,282,749,696,848.23/1,276,887.06
  6. Step 6: Final answer
    x = 1,004,591.35

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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.