Home / 1,283,234.90-1,920,705.15-1,001,225.30

Finding the Fourth Proportional to 1,283,234.90, 1,920,705.15 and 1,001,225.30

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Solution

The fourth proportional to 1,283,234.90, 1,920,705.15 and 1,001,225.30 is: 1,498,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,234.90 : 1,920,705.15 = 1,001,225.30 : x
  2. Step 2: Convert to fraction form
    1,283,234.90/1,920,705.15 = 1,001,225.30/x
  3. Step 3: Cross multiply
    1,283,234.90x = 1,920,705.15 × 1,001,225.30
  4. Step 4: Simplify right side
    1,283,234.90x = 1,923,058,590,020.30
  5. Step 5: Solve for x
    x = 1,923,058,590,020.30/1,283,234.90
  6. Step 6: Final answer
    x = 1,498,602.16

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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.