Home / 1,304,536.32-1,960,536.96-640,154.88

Finding the Fourth Proportional to 1,304,536.32, 1,960,536.96 and 640,154.88

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Solution

The fourth proportional to 1,304,536.32, 1,960,536.96 and 640,154.88 is: 962,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,536.32 : 1,960,536.96 = 640,154.88 : x
  2. Step 2: Convert to fraction form
    1,304,536.32/1,960,536.96 = 640,154.88/x
  3. Step 3: Cross multiply
    1,304,536.32x = 1,960,536.96 × 640,154.88
  4. Step 4: Simplify right side
    1,304,536.32x = 1,255,047,302,364.36
  5. Step 5: Solve for x
    x = 1,255,047,302,364.36/1,304,536.32
  6. Step 6: Final answer
    x = 962,063.90

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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.