Home / 1,296,300.60-1,944,450.90-890,393.40

Finding the Fourth Proportional to 1,296,300.60, 1,944,450.90 and 890,393.40

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Solution

The fourth proportional to 1,296,300.60, 1,944,450.90 and 890,393.40 is: 1,335,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,300.60 : 1,944,450.90 = 890,393.40 : x
  2. Step 2: Convert to fraction form
    1,296,300.60/1,944,450.90 = 890,393.40/x
  3. Step 3: Cross multiply
    1,296,300.60x = 1,944,450.90 × 890,393.40
  4. Step 4: Simplify right side
    1,296,300.60x = 1,731,326,247,984.06
  5. Step 5: Solve for x
    x = 1,731,326,247,984.06/1,296,300.60
  6. Step 6: Final answer
    x = 1,335,590.10

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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.