Home / 1,026,215.85-1,538,671.72-900,109.32

Finding the Fourth Proportional to 1,026,215.85, 1,538,671.72 and 900,109.32

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Solution

The fourth proportional to 1,026,215.85, 1,538,671.72 and 900,109.32 is: 1,349,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,215.85 : 1,538,671.72 = 900,109.32 : x
  2. Step 2: Convert to fraction form
    1,026,215.85/1,538,671.72 = 900,109.32/x
  3. Step 3: Cross multiply
    1,026,215.85x = 1,538,671.72 × 900,109.32
  4. Step 4: Simplify right side
    1,026,215.85x = 1,384,972,755,592.43
  5. Step 5: Solve for x
    x = 1,384,972,755,592.43/1,026,215.85
  6. Step 6: Final answer
    x = 1,349,592.05

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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.