Home / 1,820,838.80-2,731,258.20-472,890.80

Finding the Fourth Proportional to 1,820,838.80, 2,731,258.20 and 472,890.80

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Solution

The fourth proportional to 1,820,838.80, 2,731,258.20 and 472,890.80 is: 709,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,838.80 : 2,731,258.20 = 472,890.80 : x
  2. Step 2: Convert to fraction form
    1,820,838.80/2,731,258.20 = 472,890.80/x
  3. Step 3: Cross multiply
    1,820,838.80x = 2,731,258.20 × 472,890.80
  4. Step 4: Simplify right side
    1,820,838.80x = 1,291,586,875,204.56
  5. Step 5: Solve for x
    x = 1,291,586,875,204.56/1,820,838.80
  6. Step 6: Final answer
    x = 709,336.20

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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.