Home / 1,502,157.90-2,072,978.94-890,612.34

Finding the Fourth Proportional to 1,502,157.90, 2,072,978.94 and 890,612.34

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Solution

The fourth proportional to 1,502,157.90, 2,072,978.94 and 890,612.34 is: 1,229,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,157.90 : 2,072,978.94 = 890,612.34 : x
  2. Step 2: Convert to fraction form
    1,502,157.90/2,072,978.94 = 890,612.34/x
  3. Step 3: Cross multiply
    1,502,157.90x = 2,072,978.94 × 890,612.34
  4. Step 4: Simplify right side
    1,502,157.90x = 1,846,220,624,524.12
  5. Step 5: Solve for x
    x = 1,846,220,624,524.12/1,502,157.90
  6. Step 6: Final answer
    x = 1,229,045.64

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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.