Home / 1,488,006.70-2,232,010.05-890,809.90

Finding the Fourth Proportional to 1,488,006.70, 2,232,010.05 and 890,809.90

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Solution

The fourth proportional to 1,488,006.70, 2,232,010.05 and 890,809.90 is: 1,336,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,006.70 : 2,232,010.05 = 890,809.90 : x
  2. Step 2: Convert to fraction form
    1,488,006.70/2,232,010.05 = 890,809.90/x
  3. Step 3: Cross multiply
    1,488,006.70x = 2,232,010.05 × 890,809.90
  4. Step 4: Simplify right side
    1,488,006.70x = 1,988,296,649,439.50
  5. Step 5: Solve for x
    x = 1,988,296,649,439.50/1,488,006.70
  6. Step 6: Final answer
    x = 1,336,214.85

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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.