Home / 1,073,120.77-1,480,986.89-665,301.97

Finding the Fourth Proportional to 1,073,120.77, 1,480,986.89 and 665,301.97

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Solution

The fourth proportional to 1,073,120.77, 1,480,986.89 and 665,301.97 is: 918,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,120.77 : 1,480,986.89 = 665,301.97 : x
  2. Step 2: Convert to fraction form
    1,073,120.77/1,480,986.89 = 665,301.97/x
  3. Step 3: Cross multiply
    1,073,120.77x = 1,480,986.89 × 665,301.97
  4. Step 4: Simplify right side
    1,073,120.77x = 985,303,495,461.17
  5. Step 5: Solve for x
    x = 985,303,495,461.17/1,073,120.77
  6. Step 6: Final answer
    x = 918,166.46

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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.