Home / 1,640,454.04-2,460,666.30-518,523.40

Finding the Fourth Proportional to 1,640,454.04, 2,460,666.30 and 518,523.40

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Solution

The fourth proportional to 1,640,454.04, 2,460,666.30 and 518,523.40 is: 777,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,454.04 : 2,460,666.30 = 518,523.40 : x
  2. Step 2: Convert to fraction form
    1,640,454.04/2,460,666.30 = 518,523.40/x
  3. Step 3: Cross multiply
    1,640,454.04x = 2,460,666.30 × 518,523.40
  4. Step 4: Simplify right side
    1,640,454.04x = 1,275,913,056,141.42
  5. Step 5: Solve for x
    x = 1,275,913,056,141.42/1,640,454.04
  6. Step 6: Final answer
    x = 777,780.43

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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.