Home / 1,230,558.10-1,698,170.54-679,274.18

Finding the Fourth Proportional to 1,230,558.10, 1,698,170.54 and 679,274.18

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Solution

The fourth proportional to 1,230,558.10, 1,698,170.54 and 679,274.18 is: 937,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,558.10 : 1,698,170.54 = 679,274.18 : x
  2. Step 2: Convert to fraction form
    1,230,558.10/1,698,170.54 = 679,274.18/x
  3. Step 3: Cross multiply
    1,230,558.10x = 1,698,170.54 × 679,274.18
  4. Step 4: Simplify right side
    1,230,558.10x = 1,153,523,401,058.66
  5. Step 5: Solve for x
    x = 1,153,523,401,058.66/1,230,558.10
  6. Step 6: Final answer
    x = 937,398.57

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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.