Home / 994,770.18-1,490,907.42-425,483.28

Finding the Fourth Proportional to 994,770.18, 1,490,907.42 and 425,483.28

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Solution

The fourth proportional to 994,770.18, 1,490,907.42 and 425,483.28 is: 637,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,770.18 : 1,490,907.42 = 425,483.28 : x
  2. Step 2: Convert to fraction form
    994,770.18/1,490,907.42 = 425,483.28/x
  3. Step 3: Cross multiply
    994,770.18x = 1,490,907.42 × 425,483.28
  4. Step 4: Simplify right side
    994,770.18x = 634,356,179,237.94
  5. Step 5: Solve for x
    x = 634,356,179,237.94/994,770.18
  6. Step 6: Final answer
    x = 637,691.19

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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.