Home / 1,335,105.80-2,003,234.70-774,619.40

Finding the Fourth Proportional to 1,335,105.80, 2,003,234.70 and 774,619.40

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Solution

The fourth proportional to 1,335,105.80, 2,003,234.70 and 774,619.40 is: 1,162,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,105.80 : 2,003,234.70 = 774,619.40 : x
  2. Step 2: Convert to fraction form
    1,335,105.80/2,003,234.70 = 774,619.40/x
  3. Step 3: Cross multiply
    1,335,105.80x = 2,003,234.70 × 774,619.40
  4. Step 4: Simplify right side
    1,335,105.80x = 1,551,744,461,373.18
  5. Step 5: Solve for x
    x = 1,551,744,461,373.18/1,335,105.80
  6. Step 6: Final answer
    x = 1,162,263.29

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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.