Home / 1,207,085.28-1,810,347.01-449,283.63

Finding the Fourth Proportional to 1,207,085.28, 1,810,347.01 and 449,283.63

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Solution

The fourth proportional to 1,207,085.28, 1,810,347.01 and 449,283.63 is: 673,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,085.28 : 1,810,347.01 = 449,283.63 : x
  2. Step 2: Convert to fraction form
    1,207,085.28/1,810,347.01 = 449,283.63/x
  3. Step 3: Cross multiply
    1,207,085.28x = 1,810,347.01 × 449,283.63
  4. Step 4: Simplify right side
    1,207,085.28x = 813,359,276,212.45
  5. Step 5: Solve for x
    x = 813,359,276,212.45/1,207,085.28
  6. Step 6: Final answer
    x = 673,820.89

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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.