Home / 1,477,366.80-2,216,123.10-768,778.80

Finding the Fourth Proportional to 1,477,366.80, 2,216,123.10 and 768,778.80

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Solution

The fourth proportional to 1,477,366.80, 2,216,123.10 and 768,778.80 is: 1,153,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,366.80 : 2,216,123.10 = 768,778.80 : x
  2. Step 2: Convert to fraction form
    1,477,366.80/2,216,123.10 = 768,778.80/x
  3. Step 3: Cross multiply
    1,477,366.80x = 2,216,123.10 × 768,778.80
  4. Step 4: Simplify right side
    1,477,366.80x = 1,703,708,457,470.28
  5. Step 5: Solve for x
    x = 1,703,708,457,470.28/1,477,366.80
  6. Step 6: Final answer
    x = 1,153,206.14

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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.