Home / 1,343,311.65-2,015,233.40-383,775.42

Finding the Fourth Proportional to 1,343,311.65, 2,015,233.40 and 383,775.42

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Solution

The fourth proportional to 1,343,311.65, 2,015,233.40 and 383,775.42 is: 575,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,311.65 : 2,015,233.40 = 383,775.42 : x
  2. Step 2: Convert to fraction form
    1,343,311.65/2,015,233.40 = 383,775.42/x
  3. Step 3: Cross multiply
    1,343,311.65x = 2,015,233.40 × 383,775.42
  4. Step 4: Simplify right side
    1,343,311.65x = 773,397,044,483.03
  5. Step 5: Solve for x
    x = 773,397,044,483.03/1,343,311.65
  6. Step 6: Final answer
    x = 575,739.10

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1.5x scale

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.