Home / 1,158,179.80-1,736,459.70-684,621.40

Finding the Fourth Proportional to 1,158,179.80, 1,736,459.70 and 684,621.40

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Solution

The fourth proportional to 1,158,179.80, 1,736,459.70 and 684,621.40 is: 1,026,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,179.80 : 1,736,459.70 = 684,621.40 : x
  2. Step 2: Convert to fraction form
    1,158,179.80/1,736,459.70 = 684,621.40/x
  3. Step 3: Cross multiply
    1,158,179.80x = 1,736,459.70 × 684,621.40
  4. Step 4: Simplify right side
    1,158,179.80x = 1,188,817,470,857.58
  5. Step 5: Solve for x
    x = 1,188,817,470,857.58/1,158,179.80
  6. Step 6: Final answer
    x = 1,026,453.29

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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.