Home / 1,049,633.40-1,575,227.70-418,999.80

Finding the Fourth Proportional to 1,049,633.40, 1,575,227.70 and 418,999.80

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Solution

The fourth proportional to 1,049,633.40, 1,575,227.70 and 418,999.80 is: 628,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,633.40 : 1,575,227.70 = 418,999.80 : x
  2. Step 2: Convert to fraction form
    1,049,633.40/1,575,227.70 = 418,999.80/x
  3. Step 3: Cross multiply
    1,049,633.40x = 1,575,227.70 × 418,999.80
  4. Step 4: Simplify right side
    1,049,633.40x = 660,020,091,254.46
  5. Step 5: Solve for x
    x = 660,020,091,254.46/1,049,633.40
  6. Step 6: Final answer
    x = 628,810.11

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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.