Home / 1,073,020.43-1,480,896.93-643,536.83

Finding the Fourth Proportional to 1,073,020.43, 1,480,896.93 and 643,536.83

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Solution

The fourth proportional to 1,073,020.43, 1,480,896.93 and 643,536.83 is: 888,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,020.43 : 1,480,896.93 = 643,536.83 : x
  2. Step 2: Convert to fraction form
    1,073,020.43/1,480,896.93 = 643,536.83/x
  3. Step 3: Cross multiply
    1,073,020.43x = 1,480,896.93 × 643,536.83
  4. Step 4: Simplify right side
    1,073,020.43x = 953,011,708,484.45
  5. Step 5: Solve for x
    x = 953,011,708,484.45/1,073,020.43
  6. Step 6: Final answer
    x = 888,158.03

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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.