Home / 994,700.40-1,490,293.80-961,810.80

Finding the Fourth Proportional to 994,700.40, 1,490,293.80 and 961,810.80

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Solution

The fourth proportional to 994,700.40, 1,490,293.80 and 961,810.80 is: 1,441,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,700.40 : 1,490,293.80 = 961,810.80 : x
  2. Step 2: Convert to fraction form
    994,700.40/1,490,293.80 = 961,810.80/x
  3. Step 3: Cross multiply
    994,700.40x = 1,490,293.80 × 961,810.80
  4. Step 4: Simplify right side
    994,700.40x = 1,433,380,672,013.04
  5. Step 5: Solve for x
    x = 1,433,380,672,013.04/994,700.40
  6. Step 6: Final answer
    x = 1,441,017.49

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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.