Home / 1,098,021.32-1,515,268.98-614,586.33

Finding the Fourth Proportional to 1,098,021.32, 1,515,268.98 and 614,586.33

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Solution

The fourth proportional to 1,098,021.32, 1,515,268.98 and 614,586.33 is: 848,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,021.32 : 1,515,268.98 = 614,586.33 : x
  2. Step 2: Convert to fraction form
    1,098,021.32/1,515,268.98 = 614,586.33/x
  3. Step 3: Cross multiply
    1,098,021.32x = 1,515,268.98 × 614,586.33
  4. Step 4: Simplify right side
    1,098,021.32x = 931,263,601,381.04
  5. Step 5: Solve for x
    x = 931,263,601,381.04/1,098,021.32
  6. Step 6: Final answer
    x = 848,128.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.