Home / 1,470,688.65-2,206,034.70-459,815.91

Finding the Fourth Proportional to 1,470,688.65, 2,206,034.70 and 459,815.91

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Solution

The fourth proportional to 1,470,688.65, 2,206,034.70 and 459,815.91 is: 689,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,688.65 : 2,206,034.70 = 459,815.91 : x
  2. Step 2: Convert to fraction form
    1,470,688.65/2,206,034.70 = 459,815.91/x
  3. Step 3: Cross multiply
    1,470,688.65x = 2,206,034.70 × 459,815.91
  4. Step 4: Simplify right side
    1,470,688.65x = 1,014,369,853,072.08
  5. Step 5: Solve for x
    x = 1,014,369,853,072.08/1,470,688.65
  6. Step 6: Final answer
    x = 689,724.40

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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.