Home / 1,767,200.10-2,652,182.55-820,688.10

Finding the Fourth Proportional to 1,767,200.10, 2,652,182.55 and 820,688.10

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Solution

The fourth proportional to 1,767,200.10, 2,652,182.55 and 820,688.10 is: 1,231,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,200.10 : 2,652,182.55 = 820,688.10 : x
  2. Step 2: Convert to fraction form
    1,767,200.10/2,652,182.55 = 820,688.10/x
  3. Step 3: Cross multiply
    1,767,200.10x = 2,652,182.55 × 820,688.10
  4. Step 4: Simplify right side
    1,767,200.10x = 2,176,614,657,812.65
  5. Step 5: Solve for x
    x = 2,176,614,657,812.65/1,767,200.10
  6. Step 6: Final answer
    x = 1,231,674.14

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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.