Home / 1,049,513.40-1,575,047.70-418,879.80

Finding the Fourth Proportional to 1,049,513.40, 1,575,047.70 and 418,879.80

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Solution

The fourth proportional to 1,049,513.40, 1,575,047.70 and 418,879.80 is: 628,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,513.40 : 1,575,047.70 = 418,879.80 : x
  2. Step 2: Convert to fraction form
    1,049,513.40/1,575,047.70 = 418,879.80/x
  3. Step 3: Cross multiply
    1,049,513.40x = 1,575,047.70 × 418,879.80
  4. Step 4: Simplify right side
    1,049,513.40x = 659,755,665,566.46
  5. Step 5: Solve for x
    x = 659,755,665,566.46/1,049,513.40
  6. Step 6: Final answer
    x = 628,630.05

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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.