Home / 1,185,978.90-1,779,017.61-344,530.65

Finding the Fourth Proportional to 1,185,978.90, 1,779,017.61 and 344,530.65

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Solution

The fourth proportional to 1,185,978.90, 1,779,017.61 and 344,530.65 is: 516,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,978.90 : 1,779,017.61 = 344,530.65 : x
  2. Step 2: Convert to fraction form
    1,185,978.90/1,779,017.61 = 344,530.65/x
  3. Step 3: Cross multiply
    1,185,978.90x = 1,779,017.61 × 344,530.65
  4. Step 4: Simplify right side
    1,185,978.90x = 612,926,093,534.75
  5. Step 5: Solve for x
    x = 612,926,093,534.75/1,185,978.90
  6. Step 6: Final answer
    x = 516,810.29

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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.