Home / 1,470,685.65-2,206,030.20-459,812.90

Finding the Fourth Proportional to 1,470,685.65, 2,206,030.20 and 459,812.90

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Solution

The fourth proportional to 1,470,685.65, 2,206,030.20 and 459,812.90 is: 689,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,685.65 : 2,206,030.20 = 459,812.90 : x
  2. Step 2: Convert to fraction form
    1,470,685.65/2,206,030.20 = 459,812.90/x
  3. Step 3: Cross multiply
    1,470,685.65x = 2,206,030.20 × 459,812.90
  4. Step 4: Simplify right side
    1,470,685.65x = 1,014,361,132,719.43
  5. Step 5: Solve for x
    x = 1,014,361,132,719.43/1,470,685.65
  6. Step 6: Final answer
    x = 689,719.88

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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.