Home / 1,449,417.80-2,174,126.70-917,539.40

Finding the Fourth Proportional to 1,449,417.80, 2,174,126.70 and 917,539.40

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Solution

The fourth proportional to 1,449,417.80, 2,174,126.70 and 917,539.40 is: 1,376,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,417.80 : 2,174,126.70 = 917,539.40 : x
  2. Step 2: Convert to fraction form
    1,449,417.80/2,174,126.70 = 917,539.40/x
  3. Step 3: Cross multiply
    1,449,417.80x = 2,174,126.70 × 917,539.40
  4. Step 4: Simplify right side
    1,449,417.80x = 1,994,846,907,841.98
  5. Step 5: Solve for x
    x = 1,994,846,907,841.98/1,449,417.80
  6. Step 6: Final answer
    x = 1,376,309.10

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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.