Home / 1,143,394.64-1,577,830.56-634,086.08

Finding the Fourth Proportional to 1,143,394.64, 1,577,830.56 and 634,086.08

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Solution

The fourth proportional to 1,143,394.64, 1,577,830.56 and 634,086.08 is: 875,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,394.64 : 1,577,830.56 = 634,086.08 : x
  2. Step 2: Convert to fraction form
    1,143,394.64/1,577,830.56 = 634,086.08/x
  3. Step 3: Cross multiply
    1,143,394.64x = 1,577,830.56 × 634,086.08
  4. Step 4: Simplify right side
    1,143,394.64x = 1,000,480,394,694.60
  5. Step 5: Solve for x
    x = 1,000,480,394,694.60/1,143,394.64
  6. Step 6: Final answer
    x = 875,008.82

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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.