Home / 1,555,015.05-2,332,364.90-417,629.50

Finding the Fourth Proportional to 1,555,015.05, 2,332,364.90 and 417,629.50

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Solution

The fourth proportional to 1,555,015.05, 2,332,364.90 and 417,629.50 is: 626,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,015.05 : 2,332,364.90 = 417,629.50 : x
  2. Step 2: Convert to fraction form
    1,555,015.05/2,332,364.90 = 417,629.50/x
  3. Step 3: Cross multiply
    1,555,015.05x = 2,332,364.90 × 417,629.50
  4. Step 4: Simplify right side
    1,555,015.05x = 974,064,379,085.49
  5. Step 5: Solve for x
    x = 974,064,379,085.49/1,555,015.05
  6. Step 6: Final answer
    x = 626,401.90

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1.5x scale

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.