Home / 1,710,242.60-2,563,760.10-645,999.80

Finding the Fourth Proportional to 1,710,242.60, 2,563,760.10 and 645,999.80

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Solution

The fourth proportional to 1,710,242.60, 2,563,760.10 and 645,999.80 is: 968,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,242.60 : 2,563,760.10 = 645,999.80 : x
  2. Step 2: Convert to fraction form
    1,710,242.60/2,563,760.10 = 645,999.80/x
  3. Step 3: Cross multiply
    1,710,242.60x = 2,563,760.10 × 645,999.80
  4. Step 4: Simplify right side
    1,710,242.60x = 1,656,188,511,847.98
  5. Step 5: Solve for x
    x = 1,656,188,511,847.98/1,710,242.60
  6. Step 6: Final answer
    x = 968,393.91

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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.