Home / 1,508,915.36-2,082,346.80-829,895.60

Finding the Fourth Proportional to 1,508,915.36, 2,082,346.80 and 829,895.60

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Solution

The fourth proportional to 1,508,915.36, 2,082,346.80 and 829,895.60 is: 1,145,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,915.36 : 2,082,346.80 = 829,895.60 : x
  2. Step 2: Convert to fraction form
    1,508,915.36/2,082,346.80 = 829,895.60/x
  3. Step 3: Cross multiply
    1,508,915.36x = 2,082,346.80 × 829,895.60
  4. Step 4: Simplify right side
    1,508,915.36x = 1,728,130,446,994.08
  5. Step 5: Solve for x
    x = 1,728,130,446,994.08/1,508,915.36
  6. Step 6: Final answer
    x = 1,145,279.91

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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.