Home / 1,122,999.30-1,549,739.76-613,701.72

Finding the Fourth Proportional to 1,122,999.30, 1,549,739.76 and 613,701.72

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Solution

The fourth proportional to 1,122,999.30, 1,549,739.76 and 613,701.72 is: 846,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,999.30 : 1,549,739.76 = 613,701.72 : x
  2. Step 2: Convert to fraction form
    1,122,999.30/1,549,739.76 = 613,701.72/x
  3. Step 3: Cross multiply
    1,122,999.30x = 1,549,739.76 × 613,701.72
  4. Step 4: Simplify right side
    1,122,999.30x = 951,077,956,264.39
  5. Step 5: Solve for x
    x = 951,077,956,264.39/1,122,999.30
  6. Step 6: Final answer
    x = 846,908.77

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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.