Home / 1,208,459.90-1,811,134.65-926,579.90

Finding the Fourth Proportional to 1,208,459.90, 1,811,134.65 and 926,579.90

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Solution

The fourth proportional to 1,208,459.90, 1,811,134.65 and 926,579.90 is: 1,388,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,459.90 : 1,811,134.65 = 926,579.90 : x
  2. Step 2: Convert to fraction form
    1,208,459.90/1,811,134.65 = 926,579.90/x
  3. Step 3: Cross multiply
    1,208,459.90x = 1,811,134.65 × 926,579.90
  4. Step 4: Simplify right side
    1,208,459.90x = 1,678,160,962,883.54
  5. Step 5: Solve for x
    x = 1,678,160,962,883.54/1,208,459.90
  6. Step 6: Final answer
    x = 1,388,677.41

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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.