Home / 989,369.80-1,482,064.53-749,893.30

Finding the Fourth Proportional to 989,369.80, 1,482,064.53 and 749,893.30

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Solution

The fourth proportional to 989,369.80, 1,482,064.53 and 749,893.30 is: 1,123,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,369.80 : 1,482,064.53 = 749,893.30 : x
  2. Step 2: Convert to fraction form
    989,369.80/1,482,064.53 = 749,893.30/x
  3. Step 3: Cross multiply
    989,369.80x = 1,482,064.53 × 749,893.30
  4. Step 4: Simplify right side
    989,369.80x = 1,111,390,261,214.65
  5. Step 5: Solve for x
    x = 1,111,390,261,214.65/989,369.80
  6. Step 6: Final answer
    x = 1,123,331.50

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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.