Home / 1,000,345.42-1,380,476.64-547,636.42

Finding the Fourth Proportional to 1,000,345.42, 1,380,476.64 and 547,636.42

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Solution

The fourth proportional to 1,000,345.42, 1,380,476.64 and 547,636.42 is: 755,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,345.42 : 1,380,476.64 = 547,636.42 : x
  2. Step 2: Convert to fraction form
    1,000,345.42/1,380,476.64 = 547,636.42/x
  3. Step 3: Cross multiply
    1,000,345.42x = 1,380,476.64 × 547,636.42
  4. Step 4: Simplify right side
    1,000,345.42x = 755,999,285,023.23
  5. Step 5: Solve for x
    x = 755,999,285,023.23/1,000,345.42
  6. Step 6: Final answer
    x = 755,738.24

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1.5x scale

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.