Home / 1,012,911.83-1,397,938.93-583,275.68

Finding the Fourth Proportional to 1,012,911.83, 1,397,938.93 and 583,275.68

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Solution

The fourth proportional to 1,012,911.83, 1,397,938.93 and 583,275.68 is: 804,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,911.83 : 1,397,938.93 = 583,275.68 : x
  2. Step 2: Convert to fraction form
    1,012,911.83/1,397,938.93 = 583,275.68/x
  3. Step 3: Cross multiply
    1,012,911.83x = 1,397,938.93 × 583,275.68
  4. Step 4: Simplify right side
    1,012,911.83x = 815,383,771,546.34
  5. Step 5: Solve for x
    x = 815,383,771,546.34/1,012,911.83
  6. Step 6: Final answer
    x = 804,989.88

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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.