Home / 1,440,497.93-2,160,856.24-429,540.77

Finding the Fourth Proportional to 1,440,497.93, 2,160,856.24 and 429,540.77

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Solution

The fourth proportional to 1,440,497.93, 2,160,856.24 and 429,540.77 is: 644,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,497.93 : 2,160,856.24 = 429,540.77 : x
  2. Step 2: Convert to fraction form
    1,440,497.93/2,160,856.24 = 429,540.77/x
  3. Step 3: Cross multiply
    1,440,497.93x = 2,160,856.24 × 429,540.77
  4. Step 4: Simplify right side
    1,440,497.93x = 928,175,857,517.19
  5. Step 5: Solve for x
    x = 928,175,857,517.19/1,440,497.93
  6. Step 6: Final answer
    x = 644,343.77

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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.