Home / 1,188,002.40-1,782,003.60-346,554.15

Finding the Fourth Proportional to 1,188,002.40, 1,782,003.60 and 346,554.15

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Solution

The fourth proportional to 1,188,002.40, 1,782,003.60 and 346,554.15 is: 519,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,002.40 : 1,782,003.60 = 346,554.15 : x
  2. Step 2: Convert to fraction form
    1,188,002.40/1,782,003.60 = 346,554.15/x
  3. Step 3: Cross multiply
    1,188,002.40x = 1,782,003.60 × 346,554.15
  4. Step 4: Simplify right side
    1,188,002.40x = 617,560,742,894.94
  5. Step 5: Solve for x
    x = 617,560,742,894.94/1,188,002.40
  6. Step 6: Final answer
    x = 519,831.23

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Double scale
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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.