Home / 1,013,784-1,520,616.96-265,829.76

Finding the Fourth Proportional to 1,013,784, 1,520,616.96 and 265,829.76

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Solution

The fourth proportional to 1,013,784, 1,520,616.96 and 265,829.76 is: 398,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,784 : 1,520,616.96 = 265,829.76 : x
  2. Step 2: Convert to fraction form
    1,013,784/1,520,616.96 = 265,829.76/x
  3. Step 3: Cross multiply
    1,013,784x = 1,520,616.96 × 265,829.76
  4. Step 4: Simplify right side
    1,013,784x = 404,225,241,528.73
  5. Step 5: Solve for x
    x = 404,225,241,528.73/1,013,784
  6. Step 6: Final answer
    x = 398,729.16

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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.