Home / 1,096,264.80-1,642,630.80-621,538.40

Finding the Fourth Proportional to 1,096,264.80, 1,642,630.80 and 621,538.40

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Solution

The fourth proportional to 1,096,264.80, 1,642,630.80 and 621,538.40 is: 931,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,264.80 : 1,642,630.80 = 621,538.40 : x
  2. Step 2: Convert to fraction form
    1,096,264.80/1,642,630.80 = 621,538.40/x
  3. Step 3: Cross multiply
    1,096,264.80x = 1,642,630.80 × 621,538.40
  4. Step 4: Simplify right side
    1,096,264.80x = 1,020,958,119,222.72
  5. Step 5: Solve for x
    x = 1,020,958,119,222.72/1,096,264.80
  6. Step 6: Final answer
    x = 931,306.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.