Home / 1,098,670.50-1,648,016.01-388,818.90

Finding the Fourth Proportional to 1,098,670.50, 1,648,016.01 and 388,818.90

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Solution

The fourth proportional to 1,098,670.50, 1,648,016.01 and 388,818.90 is: 583,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,670.50 : 1,648,016.01 = 388,818.90 : x
  2. Step 2: Convert to fraction form
    1,098,670.50/1,648,016.01 = 388,818.90/x
  3. Step 3: Cross multiply
    1,098,670.50x = 1,648,016.01 × 388,818.90
  4. Step 4: Simplify right side
    1,098,670.50x = 640,779,772,190.59
  5. Step 5: Solve for x
    x = 640,779,772,190.59/1,098,670.50
  6. Step 6: Final answer
    x = 583,231.98

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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.