Home / 1,636,411.80-2,455,004.07-514,480.80

Finding the Fourth Proportional to 1,636,411.80, 2,455,004.07 and 514,480.80

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Solution

The fourth proportional to 1,636,411.80, 2,455,004.07 and 514,480.80 is: 771,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,411.80 : 2,455,004.07 = 514,480.80 : x
  2. Step 2: Convert to fraction form
    1,636,411.80/2,455,004.07 = 514,480.80/x
  3. Step 3: Cross multiply
    1,636,411.80x = 2,455,004.07 × 514,480.80
  4. Step 4: Simplify right side
    1,636,411.80x = 1,263,052,457,936.86
  5. Step 5: Solve for x
    x = 1,263,052,457,936.86/1,636,411.80
  6. Step 6: Final answer
    x = 771,842.67

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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.