Home / 1,185,981.90-1,779,022.11-344,533.65

Finding the Fourth Proportional to 1,185,981.90, 1,779,022.11 and 344,533.65

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Solution

The fourth proportional to 1,185,981.90, 1,779,022.11 and 344,533.65 is: 516,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,981.90 : 1,779,022.11 = 344,533.65 : x
  2. Step 2: Convert to fraction form
    1,185,981.90/1,779,022.11 = 344,533.65/x
  3. Step 3: Cross multiply
    1,185,981.90x = 1,779,022.11 × 344,533.65
  4. Step 4: Simplify right side
    1,185,981.90x = 612,932,980,989.00
  5. Step 5: Solve for x
    x = 612,932,980,989.00/1,185,981.90
  6. Step 6: Final answer
    x = 516,814.79

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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.