Home / 1,685,266.46-2,528,536.03-1,011,817.20

Finding the Fourth Proportional to 1,685,266.46, 2,528,536.03 and 1,011,817.20

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Solution

The fourth proportional to 1,685,266.46, 2,528,536.03 and 1,011,817.20 is: 1,518,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,266.46 : 2,528,536.03 = 1,011,817.20 : x
  2. Step 2: Convert to fraction form
    1,685,266.46/2,528,536.03 = 1,011,817.20/x
  3. Step 3: Cross multiply
    1,685,266.46x = 2,528,536.03 × 1,011,817.20
  4. Step 4: Simplify right side
    1,685,266.46x = 2,558,416,252,926.18
  5. Step 5: Solve for x
    x = 2,558,416,252,926.18/1,685,266.46
  6. Step 6: Final answer
    x = 1,518,107.86

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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.