Home / 1,700,941.43-2,551,348.35-421,553.12

Finding the Fourth Proportional to 1,700,941.43, 2,551,348.35 and 421,553.12

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Solution

The fourth proportional to 1,700,941.43, 2,551,348.35 and 421,553.12 is: 632,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,941.43 : 2,551,348.35 = 421,553.12 : x
  2. Step 2: Convert to fraction form
    1,700,941.43/2,551,348.35 = 421,553.12/x
  3. Step 3: Cross multiply
    1,700,941.43x = 2,551,348.35 × 421,553.12
  4. Step 4: Simplify right side
    1,700,941.43x = 1,075,528,844,392.61
  5. Step 5: Solve for x
    x = 1,075,528,844,392.61/1,700,941.43
  6. Step 6: Final answer
    x = 632,313.86

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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.