Home / 1,803,815.80-2,705,722.86-724,327.96

Finding the Fourth Proportional to 1,803,815.80, 2,705,722.86 and 724,327.96

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Solution

The fourth proportional to 1,803,815.80, 2,705,722.86 and 724,327.96 is: 1,086,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,815.80 : 2,705,722.86 = 724,327.96 : x
  2. Step 2: Convert to fraction form
    1,803,815.80/2,705,722.86 = 724,327.96/x
  3. Step 3: Cross multiply
    1,803,815.80x = 2,705,722.86 × 724,327.96
  4. Step 4: Simplify right side
    1,803,815.80x = 1,959,830,719,509.17
  5. Step 5: Solve for x
    x = 1,959,830,719,509.17/1,803,815.80
  6. Step 6: Final answer
    x = 1,086,491.60

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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.