Home / 1,000,640.61-1,380,884.63-547,931.61

Finding the Fourth Proportional to 1,000,640.61, 1,380,884.63 and 547,931.61

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Solution

The fourth proportional to 1,000,640.61, 1,380,884.63 and 547,931.61 is: 756,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,640.61 : 1,380,884.63 = 547,931.61 : x
  2. Step 2: Convert to fraction form
    1,000,640.61/1,380,884.63 = 547,931.61/x
  3. Step 3: Cross multiply
    1,000,640.61x = 1,380,884.63 × 547,931.61
  4. Step 4: Simplify right side
    1,000,640.61x = 756,630,335,800.50
  5. Step 5: Solve for x
    x = 756,630,335,800.50/1,000,640.61
  6. Step 6: Final answer
    x = 756,145.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.