Home / 1,336,495.60-2,005,202.40-390,005.20

Finding the Fourth Proportional to 1,336,495.60, 2,005,202.40 and 390,005.20

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Solution

The fourth proportional to 1,336,495.60, 2,005,202.40 and 390,005.20 is: 585,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,495.60 : 2,005,202.40 = 390,005.20 : x
  2. Step 2: Convert to fraction form
    1,336,495.60/2,005,202.40 = 390,005.20/x
  3. Step 3: Cross multiply
    1,336,495.60x = 2,005,202.40 × 390,005.20
  4. Step 4: Simplify right side
    1,336,495.60x = 782,039,363,052.48
  5. Step 5: Solve for x
    x = 782,039,363,052.48/1,336,495.60
  6. Step 6: Final answer
    x = 585,141.74

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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.