Home / 1,137,272.20-1,705,130.70-538,520.20

Finding the Fourth Proportional to 1,137,272.20, 1,705,130.70 and 538,520.20

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Solution

The fourth proportional to 1,137,272.20, 1,705,130.70 and 538,520.20 is: 807,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,272.20 : 1,705,130.70 = 538,520.20 : x
  2. Step 2: Convert to fraction form
    1,137,272.20/1,705,130.70 = 538,520.20/x
  3. Step 3: Cross multiply
    1,137,272.20x = 1,705,130.70 × 538,520.20
  4. Step 4: Simplify right side
    1,137,272.20x = 918,247,325,590.14
  5. Step 5: Solve for x
    x = 918,247,325,590.14/1,137,272.20
  6. Step 6: Final answer
    x = 807,412.09

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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.