Home / 1,060,014.81-1,590,372.14-428,584.17

Finding the Fourth Proportional to 1,060,014.81, 1,590,372.14 and 428,584.17

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Solution

The fourth proportional to 1,060,014.81, 1,590,372.14 and 428,584.17 is: 643,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,014.81 : 1,590,372.14 = 428,584.17 : x
  2. Step 2: Convert to fraction form
    1,060,014.81/1,590,372.14 = 428,584.17/x
  3. Step 3: Cross multiply
    1,060,014.81x = 1,590,372.14 × 428,584.17
  4. Step 4: Simplify right side
    1,060,014.81x = 681,608,323,613.02
  5. Step 5: Solve for x
    x = 681,608,323,613.02/1,060,014.81
  6. Step 6: Final answer
    x = 643,017.74

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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.