Home / 1,213,402.30-1,820,103.45-414,564.10

Finding the Fourth Proportional to 1,213,402.30, 1,820,103.45 and 414,564.10

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Solution

The fourth proportional to 1,213,402.30, 1,820,103.45 and 414,564.10 is: 621,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,402.30 : 1,820,103.45 = 414,564.10 : x
  2. Step 2: Convert to fraction form
    1,213,402.30/1,820,103.45 = 414,564.10/x
  3. Step 3: Cross multiply
    1,213,402.30x = 1,820,103.45 × 414,564.10
  4. Step 4: Simplify right side
    1,213,402.30x = 754,549,548,656.15
  5. Step 5: Solve for x
    x = 754,549,548,656.15/1,213,402.30
  6. Step 6: Final answer
    x = 621,846.15

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1.5x scale

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.