Home / 1,336,493.60-2,004,817.20-390,010.40

Finding the Fourth Proportional to 1,336,493.60, 2,004,817.20 and 390,010.40

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Solution

The fourth proportional to 1,336,493.60, 2,004,817.20 and 390,010.40 is: 585,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,493.60 : 2,004,817.20 = 390,010.40 : x
  2. Step 2: Convert to fraction form
    1,336,493.60/2,004,817.20 = 390,010.40/x
  3. Step 3: Cross multiply
    1,336,493.60x = 2,004,817.20 × 390,010.40
  4. Step 4: Simplify right side
    1,336,493.60x = 781,899,558,098.88
  5. Step 5: Solve for x
    x = 781,899,558,098.88/1,336,493.60
  6. Step 6: Final answer
    x = 585,038.01

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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.