Home / 1,213,292.20-1,819,938.30-326,828.20

Finding the Fourth Proportional to 1,213,292.20, 1,819,938.30 and 326,828.20

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Solution

The fourth proportional to 1,213,292.20, 1,819,938.30 and 326,828.20 is: 490,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,292.20 : 1,819,938.30 = 326,828.20 : x
  2. Step 2: Convert to fraction form
    1,213,292.20/1,819,938.30 = 326,828.20/x
  3. Step 3: Cross multiply
    1,213,292.20x = 1,819,938.30 × 326,828.20
  4. Step 4: Simplify right side
    1,213,292.20x = 594,807,158,700.06
  5. Step 5: Solve for x
    x = 594,807,158,700.06/1,213,292.20
  6. Step 6: Final answer
    x = 490,242.30

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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.