Home / 919,546.80-1,376,209.80-807,572.40

Finding the Fourth Proportional to 919,546.80, 1,376,209.80 and 807,572.40

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Solution

The fourth proportional to 919,546.80, 1,376,209.80 and 807,572.40 is: 1,208,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,546.80 : 1,376,209.80 = 807,572.40 : x
  2. Step 2: Convert to fraction form
    919,546.80/1,376,209.80 = 807,572.40/x
  3. Step 3: Cross multiply
    919,546.80x = 1,376,209.80 × 807,572.40
  4. Step 4: Simplify right side
    919,546.80x = 1,111,389,051,089.52
  5. Step 5: Solve for x
    x = 1,111,389,051,089.52/919,546.80
  6. Step 6: Final answer
    x = 1,208,626.96

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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.