Home / 1,470,689.40-2,206,035.84-459,816.64

Finding the Fourth Proportional to 1,470,689.40, 2,206,035.84 and 459,816.64

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Solution

The fourth proportional to 1,470,689.40, 2,206,035.84 and 459,816.64 is: 689,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,689.40 : 2,206,035.84 = 459,816.64 : x
  2. Step 2: Convert to fraction form
    1,470,689.40/2,206,035.84 = 459,816.64/x
  3. Step 3: Cross multiply
    1,470,689.40x = 2,206,035.84 × 459,816.64
  4. Step 4: Simplify right side
    1,470,689.40x = 1,014,371,987,668.38
  5. Step 5: Solve for x
    x = 1,014,371,987,668.38/1,470,689.40
  6. Step 6: Final answer
    x = 689,725.50

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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.