Home / 1,307,561.43-1,961,658.35-454,509.93

Finding the Fourth Proportional to 1,307,561.43, 1,961,658.35 and 454,509.93

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Solution

The fourth proportional to 1,307,561.43, 1,961,658.35 and 454,509.93 is: 681,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,561.43 : 1,961,658.35 = 454,509.93 : x
  2. Step 2: Convert to fraction form
    1,307,561.43/1,961,658.35 = 454,509.93/x
  3. Step 3: Cross multiply
    1,307,561.43x = 1,961,658.35 × 454,509.93
  4. Step 4: Simplify right side
    1,307,561.43x = 891,593,199,342.42
  5. Step 5: Solve for x
    x = 891,593,199,342.42/1,307,561.43
  6. Step 6: Final answer
    x = 681,874.81

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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.