Home / 1,430,831.20-2,146,246.80-433,429.60

Finding the Fourth Proportional to 1,430,831.20, 2,146,246.80 and 433,429.60

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Solution

The fourth proportional to 1,430,831.20, 2,146,246.80 and 433,429.60 is: 650,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,831.20 : 2,146,246.80 = 433,429.60 : x
  2. Step 2: Convert to fraction form
    1,430,831.20/2,146,246.80 = 433,429.60/x
  3. Step 3: Cross multiply
    1,430,831.20x = 2,146,246.80 × 433,429.60
  4. Step 4: Simplify right side
    1,430,831.20x = 930,246,892,025.28
  5. Step 5: Solve for x
    x = 930,246,892,025.28/1,430,831.20
  6. Step 6: Final answer
    x = 650,144.40

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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.