Home / 1,000,126.42-1,500,645.07-423,907.63

Finding the Fourth Proportional to 1,000,126.42, 1,500,645.07 and 423,907.63

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Solution

The fourth proportional to 1,000,126.42, 1,500,645.07 and 423,907.63 is: 636,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,126.42 : 1,500,645.07 = 423,907.63 : x
  2. Step 2: Convert to fraction form
    1,000,126.42/1,500,645.07 = 423,907.63/x
  3. Step 3: Cross multiply
    1,000,126.42x = 1,500,645.07 × 423,907.63
  4. Step 4: Simplify right side
    1,000,126.42x = 636,134,889,488.68
  5. Step 5: Solve for x
    x = 636,134,889,488.68/1,000,126.42
  6. Step 6: Final answer
    x = 636,054.48

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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.