Home / 1,158,150.80-1,736,416.20-684,592.40

Finding the Fourth Proportional to 1,158,150.80, 1,736,416.20 and 684,592.40

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Solution

The fourth proportional to 1,158,150.80, 1,736,416.20 and 684,592.40 is: 1,026,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,150.80 : 1,736,416.20 = 684,592.40 : x
  2. Step 2: Convert to fraction form
    1,158,150.80/1,736,416.20 = 684,592.40/x
  3. Step 3: Cross multiply
    1,158,150.80x = 1,736,416.20 × 684,592.40
  4. Step 4: Simplify right side
    1,158,150.80x = 1,188,737,333,756.88
  5. Step 5: Solve for x
    x = 1,188,737,333,756.88/1,158,150.80
  6. Step 6: Final answer
    x = 1,026,409.80

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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.