Home / 1,700,588.45-2,550,866.81-689,470.06

Finding the Fourth Proportional to 1,700,588.45, 2,550,866.81 and 689,470.06

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Solution

The fourth proportional to 1,700,588.45, 2,550,866.81 and 689,470.06 is: 1,034,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,588.45 : 2,550,866.81 = 689,470.06 : x
  2. Step 2: Convert to fraction form
    1,700,588.45/2,550,866.81 = 689,470.06/x
  3. Step 3: Cross multiply
    1,700,588.45x = 2,550,866.81 × 689,470.06
  4. Step 4: Simplify right side
    1,700,588.45x = 1,758,746,276,341.02
  5. Step 5: Solve for x
    x = 1,758,746,276,341.02/1,700,588.45
  6. Step 6: Final answer
    x = 1,034,198.65

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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.