Home / 1,112,421.40-1,535,171.76-629,058.86

Finding the Fourth Proportional to 1,112,421.40, 1,535,171.76 and 629,058.86

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Solution

The fourth proportional to 1,112,421.40, 1,535,171.76 and 629,058.86 is: 868,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,421.40 : 1,535,171.76 = 629,058.86 : x
  2. Step 2: Convert to fraction form
    1,112,421.40/1,535,171.76 = 629,058.86/x
  3. Step 3: Cross multiply
    1,112,421.40x = 1,535,171.76 × 629,058.86
  4. Step 4: Simplify right side
    1,112,421.40x = 965,713,397,249.79
  5. Step 5: Solve for x
    x = 965,713,397,249.79/1,112,421.40
  6. Step 6: Final answer
    x = 868,118.32

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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.