Home / 1,040,385.60-1,558,245.60-900,417.60

Finding the Fourth Proportional to 1,040,385.60, 1,558,245.60 and 900,417.60

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Solution

The fourth proportional to 1,040,385.60, 1,558,245.60 and 900,417.60 is: 1,348,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,385.60 : 1,558,245.60 = 900,417.60 : x
  2. Step 2: Convert to fraction form
    1,040,385.60/1,558,245.60 = 900,417.60/x
  3. Step 3: Cross multiply
    1,040,385.60x = 1,558,245.60 × 900,417.60
  4. Step 4: Simplify right side
    1,040,385.60x = 1,403,071,763,362.56
  5. Step 5: Solve for x
    x = 1,403,071,763,362.56/1,040,385.60
  6. Step 6: Final answer
    x = 1,348,607.44

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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.