Home / 1,440,208.60-2,159,276.10-809,315.80

Finding the Fourth Proportional to 1,440,208.60, 2,159,276.10 and 809,315.80

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Solution

The fourth proportional to 1,440,208.60, 2,159,276.10 and 809,315.80 is: 1,213,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,208.60 : 2,159,276.10 = 809,315.80 : x
  2. Step 2: Convert to fraction form
    1,440,208.60/2,159,276.10 = 809,315.80/x
  3. Step 3: Cross multiply
    1,440,208.60x = 2,159,276.10 × 809,315.80
  4. Step 4: Simplify right side
    1,440,208.60x = 1,747,536,264,292.38
  5. Step 5: Solve for x
    x = 1,747,536,264,292.38/1,440,208.60
  6. Step 6: Final answer
    x = 1,213,391.08

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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.