Home / 1,339,552.10-2,009,549.55-620,612.30

Finding the Fourth Proportional to 1,339,552.10, 2,009,549.55 and 620,612.30

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Solution

The fourth proportional to 1,339,552.10, 2,009,549.55 and 620,612.30 is: 931,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,552.10 : 2,009,549.55 = 620,612.30 : x
  2. Step 2: Convert to fraction form
    1,339,552.10/2,009,549.55 = 620,612.30/x
  3. Step 3: Cross multiply
    1,339,552.10x = 2,009,549.55 × 620,612.30
  4. Step 4: Simplify right side
    1,339,552.10x = 1,247,151,168,189.47
  5. Step 5: Solve for x
    x = 1,247,151,168,189.47/1,339,552.10
  6. Step 6: Final answer
    x = 931,021.02

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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.