Home / 1,185,982.90-1,779,023.61-344,534.65

Finding the Fourth Proportional to 1,185,982.90, 1,779,023.61 and 344,534.65

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Solution

The fourth proportional to 1,185,982.90, 1,779,023.61 and 344,534.65 is: 516,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,982.90 : 1,779,023.61 = 344,534.65 : x
  2. Step 2: Convert to fraction form
    1,185,982.90/1,779,023.61 = 344,534.65/x
  3. Step 3: Cross multiply
    1,185,982.90x = 1,779,023.61 × 344,534.65
  4. Step 4: Simplify right side
    1,185,982.90x = 612,935,276,813.09
  5. Step 5: Solve for x
    x = 612,935,276,813.09/1,185,982.90
  6. Step 6: Final answer
    x = 516,816.29

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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.