Home / 1,214,617.70-1,676,154.93-670,776.50

Finding the Fourth Proportional to 1,214,617.70, 1,676,154.93 and 670,776.50

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Solution

The fourth proportional to 1,214,617.70, 1,676,154.93 and 670,776.50 is: 925,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,617.70 : 1,676,154.93 = 670,776.50 : x
  2. Step 2: Convert to fraction form
    1,214,617.70/1,676,154.93 = 670,776.50/x
  3. Step 3: Cross multiply
    1,214,617.70x = 1,676,154.93 × 670,776.50
  4. Step 4: Simplify right side
    1,214,617.70x = 1,124,325,337,403.15
  5. Step 5: Solve for x
    x = 1,124,325,337,403.15/1,214,617.70
  6. Step 6: Final answer
    x = 925,661.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.