Home / 1,470,688.28-2,206,034.13-459,815.52

Finding the Fourth Proportional to 1,470,688.28, 2,206,034.13 and 459,815.52

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Solution

The fourth proportional to 1,470,688.28, 2,206,034.13 and 459,815.52 is: 689,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,688.28 : 2,206,034.13 = 459,815.52 : x
  2. Step 2: Convert to fraction form
    1,470,688.28/2,206,034.13 = 459,815.52/x
  3. Step 3: Cross multiply
    1,470,688.28x = 2,206,034.13 × 459,815.52
  4. Step 4: Simplify right side
    1,470,688.28x = 1,014,368,730,623.70
  5. Step 5: Solve for x
    x = 1,014,368,730,623.70/1,470,688.28
  6. Step 6: Final answer
    x = 689,723.82

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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.