Home / 1,445,409.70-2,168,114.55-736,821.70

Finding the Fourth Proportional to 1,445,409.70, 2,168,114.55 and 736,821.70

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Solution

The fourth proportional to 1,445,409.70, 2,168,114.55 and 736,821.70 is: 1,105,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,409.70 : 2,168,114.55 = 736,821.70 : x
  2. Step 2: Convert to fraction form
    1,445,409.70/2,168,114.55 = 736,821.70/x
  3. Step 3: Cross multiply
    1,445,409.70x = 2,168,114.55 × 736,821.70
  4. Step 4: Simplify right side
    1,445,409.70x = 1,597,513,848,525.74
  5. Step 5: Solve for x
    x = 1,597,513,848,525.74/1,445,409.70
  6. Step 6: Final answer
    x = 1,105,232.55

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Similar ratio
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1.5x scale

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.