Home / 1,664,391-2,296,876.20-900,460.98

Finding the Fourth Proportional to 1,664,391, 2,296,876.20 and 900,460.98

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Solution

The fourth proportional to 1,664,391, 2,296,876.20 and 900,460.98 is: 1,242,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,391 : 2,296,876.20 = 900,460.98 : x
  2. Step 2: Convert to fraction form
    1,664,391/2,296,876.20 = 900,460.98/x
  3. Step 3: Cross multiply
    1,664,391x = 2,296,876.20 × 900,460.98
  4. Step 4: Simplify right side
    1,664,391x = 2,068,247,393,990.68
  5. Step 5: Solve for x
    x = 2,068,247,393,990.68/1,664,391
  6. Step 6: Final answer
    x = 1,242,645.14

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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.