Home / 1,038,616.16-1,558,406.46-398,706.98

Finding the Fourth Proportional to 1,038,616.16, 1,558,406.46 and 398,706.98

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Solution

The fourth proportional to 1,038,616.16, 1,558,406.46 and 398,706.98 is: 598,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,616.16 : 1,558,406.46 = 398,706.98 : x
  2. Step 2: Convert to fraction form
    1,038,616.16/1,558,406.46 = 398,706.98/x
  3. Step 3: Cross multiply
    1,038,616.16x = 1,558,406.46 × 398,706.98
  4. Step 4: Simplify right side
    1,038,616.16x = 621,347,533,279.09
  5. Step 5: Solve for x
    x = 621,347,533,279.09/1,038,616.16
  6. Step 6: Final answer
    x = 598,245.59

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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.