Home / 1,276,883.04-1,915,888.78-669,526.32

Finding the Fourth Proportional to 1,276,883.04, 1,915,888.78 and 669,526.32

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Solution

The fourth proportional to 1,276,883.04, 1,915,888.78 and 669,526.32 is: 1,004,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,883.04 : 1,915,888.78 = 669,526.32 : x
  2. Step 2: Convert to fraction form
    1,276,883.04/1,915,888.78 = 669,526.32/x
  3. Step 3: Cross multiply
    1,276,883.04x = 1,915,888.78 × 669,526.32
  4. Step 4: Simplify right side
    1,276,883.04x = 1,282,737,964,402.69
  5. Step 5: Solve for x
    x = 1,282,737,964,402.69/1,276,883.04
  6. Step 6: Final answer
    x = 1,004,585.33

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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.