Home / 1,640,456.04-2,460,669.30-518,525.40

Finding the Fourth Proportional to 1,640,456.04, 2,460,669.30 and 518,525.40

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Solution

The fourth proportional to 1,640,456.04, 2,460,669.30 and 518,525.40 is: 777,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,456.04 : 2,460,669.30 = 518,525.40 : x
  2. Step 2: Convert to fraction form
    1,640,456.04/2,460,669.30 = 518,525.40/x
  3. Step 3: Cross multiply
    1,640,456.04x = 2,460,669.30 × 518,525.40
  4. Step 4: Simplify right side
    1,640,456.04x = 1,275,919,533,050.22
  5. Step 5: Solve for x
    x = 1,275,919,533,050.22/1,640,456.04
  6. Step 6: Final answer
    x = 777,783.43

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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.