Home / 1,754,269-2,420,949.90-1,075,074.28

Finding the Fourth Proportional to 1,754,269, 2,420,949.90 and 1,075,074.28

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Solution

The fourth proportional to 1,754,269, 2,420,949.90 and 1,075,074.28 is: 1,483,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,269 : 2,420,949.90 = 1,075,074.28 : x
  2. Step 2: Convert to fraction form
    1,754,269/2,420,949.90 = 1,075,074.28/x
  3. Step 3: Cross multiply
    1,754,269x = 2,420,949.90 × 1,075,074.28
  4. Step 4: Simplify right side
    1,754,269x = 2,602,700,970,658.57
  5. Step 5: Solve for x
    x = 2,602,700,970,658.57/1,754,269
  6. Step 6: Final answer
    x = 1,483,638.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.