Home / 1,028,616.40-1,543,170.96-429,244.16

Finding the Fourth Proportional to 1,028,616.40, 1,543,170.96 and 429,244.16

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Solution

The fourth proportional to 1,028,616.40, 1,543,170.96 and 429,244.16 is: 643,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,616.40 : 1,543,170.96 = 429,244.16 : x
  2. Step 2: Convert to fraction form
    1,028,616.40/1,543,170.96 = 429,244.16/x
  3. Step 3: Cross multiply
    1,028,616.40x = 1,543,170.96 × 429,244.16
  4. Step 4: Simplify right side
    1,028,616.40x = 662,397,122,461.59
  5. Step 5: Solve for x
    x = 662,397,122,461.59/1,028,616.40
  6. Step 6: Final answer
    x = 643,969.05

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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.