Home / 1,017,126.90-1,526,185.89-418,267.98

Finding the Fourth Proportional to 1,017,126.90, 1,526,185.89 and 418,267.98

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Solution

The fourth proportional to 1,017,126.90, 1,526,185.89 and 418,267.98 is: 627,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,126.90 : 1,526,185.89 = 418,267.98 : x
  2. Step 2: Convert to fraction form
    1,017,126.90/1,526,185.89 = 418,267.98/x
  3. Step 3: Cross multiply
    1,017,126.90x = 1,526,185.89 × 418,267.98
  4. Step 4: Simplify right side
    1,017,126.90x = 638,354,689,314.80
  5. Step 5: Solve for x
    x = 638,354,689,314.80/1,017,126.90
  6. Step 6: Final answer
    x = 627,605.75

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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.