Home / 1,220,073.03-1,830,492.12-734,285.20

Finding the Fourth Proportional to 1,220,073.03, 1,830,492.12 and 734,285.20

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Solution

The fourth proportional to 1,220,073.03, 1,830,492.12 and 734,285.20 is: 1,101,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,073.03 : 1,830,492.12 = 734,285.20 : x
  2. Step 2: Convert to fraction form
    1,220,073.03/1,830,492.12 = 734,285.20/x
  3. Step 3: Cross multiply
    1,220,073.03x = 1,830,492.12 × 734,285.20
  4. Step 4: Simplify right side
    1,220,073.03x = 1,344,103,269,911.78
  5. Step 5: Solve for x
    x = 1,344,103,269,911.78/1,220,073.03
  6. Step 6: Final answer
    x = 1,101,658.05

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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.