Home / 1,133,138.60-1,699,707.90-684,366.20

Finding the Fourth Proportional to 1,133,138.60, 1,699,707.90 and 684,366.20

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Solution

The fourth proportional to 1,133,138.60, 1,699,707.90 and 684,366.20 is: 1,026,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,138.60 : 1,699,707.90 = 684,366.20 : x
  2. Step 2: Convert to fraction form
    1,133,138.60/1,699,707.90 = 684,366.20/x
  3. Step 3: Cross multiply
    1,133,138.60x = 1,699,707.90 × 684,366.20
  4. Step 4: Simplify right side
    1,133,138.60x = 1,163,222,636,632.98
  5. Step 5: Solve for x
    x = 1,163,222,636,632.98/1,133,138.60
  6. Step 6: Final answer
    x = 1,026,549.30

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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.