Home / 1,202,491.80-1,803,903.84-404,001.72

Finding the Fourth Proportional to 1,202,491.80, 1,803,903.84 and 404,001.72

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Solution

The fourth proportional to 1,202,491.80, 1,803,903.84 and 404,001.72 is: 606,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,491.80 : 1,803,903.84 = 404,001.72 : x
  2. Step 2: Convert to fraction form
    1,202,491.80/1,803,903.84 = 404,001.72/x
  3. Step 3: Cross multiply
    1,202,491.80x = 1,803,903.84 × 404,001.72
  4. Step 4: Simplify right side
    1,202,491.80x = 728,780,254,074.61
  5. Step 5: Solve for x
    x = 728,780,254,074.61/1,202,491.80
  6. Step 6: Final answer
    x = 606,058.40

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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.