Home / 1,336,772.70-2,005,450.65-390,066.30

Finding the Fourth Proportional to 1,336,772.70, 2,005,450.65 and 390,066.30

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Solution

The fourth proportional to 1,336,772.70, 2,005,450.65 and 390,066.30 is: 585,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,772.70 : 2,005,450.65 = 390,066.30 : x
  2. Step 2: Convert to fraction form
    1,336,772.70/2,005,450.65 = 390,066.30/x
  3. Step 3: Cross multiply
    1,336,772.70x = 2,005,450.65 × 390,066.30
  4. Step 4: Simplify right side
    1,336,772.70x = 782,258,714,878.10
  5. Step 5: Solve for x
    x = 782,258,714,878.10/1,336,772.70
  6. Step 6: Final answer
    x = 585,184.54

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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.