Home / 1,490,295.90-2,234,189.96-648,213.42

Finding the Fourth Proportional to 1,490,295.90, 2,234,189.96 and 648,213.42

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Solution

The fourth proportional to 1,490,295.90, 2,234,189.96 and 648,213.42 is: 971,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,295.90 : 2,234,189.96 = 648,213.42 : x
  2. Step 2: Convert to fraction form
    1,490,295.90/2,234,189.96 = 648,213.42/x
  3. Step 3: Cross multiply
    1,490,295.90x = 2,234,189.96 × 648,213.42
  4. Step 4: Simplify right side
    1,490,295.90x = 1,448,231,914,901.26
  5. Step 5: Solve for x
    x = 1,448,231,914,901.26/1,490,295.90
  6. Step 6: Final answer
    x = 971,774.74

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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.