Home / 1,327,569.21-1,990,941.53-474,522.57

Finding the Fourth Proportional to 1,327,569.21, 1,990,941.53 and 474,522.57

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Solution

The fourth proportional to 1,327,569.21, 1,990,941.53 and 474,522.57 is: 711,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,569.21 : 1,990,941.53 = 474,522.57 : x
  2. Step 2: Convert to fraction form
    1,327,569.21/1,990,941.53 = 474,522.57/x
  3. Step 3: Cross multiply
    1,327,569.21x = 1,990,941.53 × 474,522.57
  4. Step 4: Simplify right side
    1,327,569.21x = 944,746,689,162.72
  5. Step 5: Solve for x
    x = 944,746,689,162.72/1,327,569.21
  6. Step 6: Final answer
    x = 711,636.49

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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.