Home / 1,209,687.40-1,669,260.18-700,424.20

Finding the Fourth Proportional to 1,209,687.40, 1,669,260.18 and 700,424.20

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Solution

The fourth proportional to 1,209,687.40, 1,669,260.18 and 700,424.20 is: 966,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,687.40 : 1,669,260.18 = 700,424.20 : x
  2. Step 2: Convert to fraction form
    1,209,687.40/1,669,260.18 = 700,424.20/x
  3. Step 3: Cross multiply
    1,209,687.40x = 1,669,260.18 × 700,424.20
  4. Step 4: Simplify right side
    1,209,687.40x = 1,169,190,226,168.36
  5. Step 5: Solve for x
    x = 1,169,190,226,168.36/1,209,687.40
  6. Step 6: Final answer
    x = 966,522.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.