Home / 1,336,610.70-2,004,916.05-390,077.10

Finding the Fourth Proportional to 1,336,610.70, 2,004,916.05 and 390,077.10

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Solution

The fourth proportional to 1,336,610.70, 2,004,916.05 and 390,077.10 is: 585,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,610.70 : 2,004,916.05 = 390,077.10 : x
  2. Step 2: Convert to fraction form
    1,336,610.70/2,004,916.05 = 390,077.10/x
  3. Step 3: Cross multiply
    1,336,610.70x = 2,004,916.05 × 390,077.10
  4. Step 4: Simplify right side
    1,336,610.70x = 782,071,838,527.46
  5. Step 5: Solve for x
    x = 782,071,838,527.46/1,336,610.70
  6. Step 6: Final answer
    x = 585,115.65

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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.