Home / 920,182.80-1,377,163.80-808,208.40

Finding the Fourth Proportional to 920,182.80, 1,377,163.80 and 808,208.40

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Solution

The fourth proportional to 920,182.80, 1,377,163.80 and 808,208.40 is: 1,209,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,182.80 : 1,377,163.80 = 808,208.40 : x
  2. Step 2: Convert to fraction form
    920,182.80/1,377,163.80 = 808,208.40/x
  3. Step 3: Cross multiply
    920,182.80x = 1,377,163.80 × 808,208.40
  4. Step 4: Simplify right side
    920,182.80x = 1,113,035,351,335.92
  5. Step 5: Solve for x
    x = 1,113,035,351,335.92/920,182.80
  6. Step 6: Final answer
    x = 1,209,580.70

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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.