Home / 1,375,151.80-2,063,019.30-415,528.60

Finding the Fourth Proportional to 1,375,151.80, 2,063,019.30 and 415,528.60

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Solution

The fourth proportional to 1,375,151.80, 2,063,019.30 and 415,528.60 is: 623,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,151.80 : 2,063,019.30 = 415,528.60 : x
  2. Step 2: Convert to fraction form
    1,375,151.80/2,063,019.30 = 415,528.60/x
  3. Step 3: Cross multiply
    1,375,151.80x = 2,063,019.30 × 415,528.60
  4. Step 4: Simplify right side
    1,375,151.80x = 857,243,521,501.98
  5. Step 5: Solve for x
    x = 857,243,521,501.98/1,375,151.80
  6. Step 6: Final answer
    x = 623,381.01

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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.