Home / 1,286,980.45-1,931,006.09-566,953.63

Finding the Fourth Proportional to 1,286,980.45, 1,931,006.09 and 566,953.63

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Solution

The fourth proportional to 1,286,980.45, 1,931,006.09 and 566,953.63 is: 850,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,980.45 : 1,931,006.09 = 566,953.63 : x
  2. Step 2: Convert to fraction form
    1,286,980.45/1,931,006.09 = 566,953.63/x
  3. Step 3: Cross multiply
    1,286,980.45x = 1,931,006.09 × 566,953.63
  4. Step 4: Simplify right side
    1,286,980.45x = 1,094,790,918,134.83
  5. Step 5: Solve for x
    x = 1,094,790,918,134.83/1,286,980.45
  6. Step 6: Final answer
    x = 850,666.31

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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.