Home / 1,173,749.64-1,619,781.24-690,335.16

Finding the Fourth Proportional to 1,173,749.64, 1,619,781.24 and 690,335.16

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Solution

The fourth proportional to 1,173,749.64, 1,619,781.24 and 690,335.16 is: 952,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,749.64 : 1,619,781.24 = 690,335.16 : x
  2. Step 2: Convert to fraction form
    1,173,749.64/1,619,781.24 = 690,335.16/x
  3. Step 3: Cross multiply
    1,173,749.64x = 1,619,781.24 × 690,335.16
  4. Step 4: Simplify right side
    1,173,749.64x = 1,118,191,941,480.40
  5. Step 5: Solve for x
    x = 1,118,191,941,480.40/1,173,749.64
  6. Step 6: Final answer
    x = 952,666.48

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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.