Home / 1,018,559.61-1,527,720.04-344,638.90

Finding the Fourth Proportional to 1,018,559.61, 1,527,720.04 and 344,638.90

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Solution

The fourth proportional to 1,018,559.61, 1,527,720.04 and 344,638.90 is: 516,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,559.61 : 1,527,720.04 = 344,638.90 : x
  2. Step 2: Convert to fraction form
    1,018,559.61/1,527,720.04 = 344,638.90/x
  3. Step 3: Cross multiply
    1,018,559.61x = 1,527,720.04 × 344,638.90
  4. Step 4: Simplify right side
    1,018,559.61x = 526,511,756,434.01
  5. Step 5: Solve for x
    x = 526,511,756,434.01/1,018,559.61
  6. Step 6: Final answer
    x = 516,917.96

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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.