Home / 1,226,492.48-1,692,559.20-689,948.48

Finding the Fourth Proportional to 1,226,492.48, 1,692,559.20 and 689,948.48

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Solution

The fourth proportional to 1,226,492.48, 1,692,559.20 and 689,948.48 is: 952,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,492.48 : 1,692,559.20 = 689,948.48 : x
  2. Step 2: Convert to fraction form
    1,226,492.48/1,692,559.20 = 689,948.48/x
  3. Step 3: Cross multiply
    1,226,492.48x = 1,692,559.20 × 689,948.48
  4. Step 4: Simplify right side
    1,226,492.48x = 1,167,778,647,350.02
  5. Step 5: Solve for x
    x = 1,167,778,647,350.02/1,226,492.48
  6. Step 6: Final answer
    x = 952,128.66

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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.