Home / 1,076,815.80-1,614,932.10-318,655.80

Finding the Fourth Proportional to 1,076,815.80, 1,614,932.10 and 318,655.80

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Solution

The fourth proportional to 1,076,815.80, 1,614,932.10 and 318,655.80 is: 477,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,815.80 : 1,614,932.10 = 318,655.80 : x
  2. Step 2: Convert to fraction form
    1,076,815.80/1,614,932.10 = 318,655.80/x
  3. Step 3: Cross multiply
    1,076,815.80x = 1,614,932.10 × 318,655.80
  4. Step 4: Simplify right side
    1,076,815.80x = 514,607,480,271.18
  5. Step 5: Solve for x
    x = 514,607,480,271.18/1,076,815.80
  6. Step 6: Final answer
    x = 477,897.41

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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.