Home / 1,311,897.48-1,968,118.50-553,745.30

Finding the Fourth Proportional to 1,311,897.48, 1,968,118.50 and 553,745.30

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Solution

The fourth proportional to 1,311,897.48, 1,968,118.50 and 553,745.30 is: 830,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,897.48 : 1,968,118.50 = 553,745.30 : x
  2. Step 2: Convert to fraction form
    1,311,897.48/1,968,118.50 = 553,745.30/x
  3. Step 3: Cross multiply
    1,311,897.48x = 1,968,118.50 × 553,745.30
  4. Step 4: Simplify right side
    1,311,897.48x = 1,089,836,369,218.05
  5. Step 5: Solve for x
    x = 1,089,836,369,218.05/1,311,897.48
  6. Step 6: Final answer
    x = 830,732.88

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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.