Home / 1,228,305.02-1,840,213.10-890,508.29

Finding the Fourth Proportional to 1,228,305.02, 1,840,213.10 and 890,508.29

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Solution

The fourth proportional to 1,228,305.02, 1,840,213.10 and 890,508.29 is: 1,334,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,305.02 : 1,840,213.10 = 890,508.29 : x
  2. Step 2: Convert to fraction form
    1,228,305.02/1,840,213.10 = 890,508.29/x
  3. Step 3: Cross multiply
    1,228,305.02x = 1,840,213.10 × 890,508.29
  4. Step 4: Simplify right side
    1,228,305.02x = 1,638,725,013,941.80
  5. Step 5: Solve for x
    x = 1,638,725,013,941.80/1,228,305.02
  6. Step 6: Final answer
    x = 1,334,135.25

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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.