Home / 1,640,418.04-2,460,755.76-442,322.20

Finding the Fourth Proportional to 1,640,418.04, 2,460,755.76 and 442,322.20

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Solution

The fourth proportional to 1,640,418.04, 2,460,755.76 and 442,322.20 is: 663,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,418.04 : 2,460,755.76 = 442,322.20 : x
  2. Step 2: Convert to fraction form
    1,640,418.04/2,460,755.76 = 442,322.20/x
  3. Step 3: Cross multiply
    1,640,418.04x = 2,460,755.76 × 442,322.20
  4. Step 4: Simplify right side
    1,640,418.04x = 1,088,446,901,425.87
  5. Step 5: Solve for x
    x = 1,088,446,901,425.87/1,640,418.04
  6. Step 6: Final answer
    x = 663,518.00

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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.