Home / 1,295,612.87-1,943,772.40-397,034.71

Finding the Fourth Proportional to 1,295,612.87, 1,943,772.40 and 397,034.71

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Solution

The fourth proportional to 1,295,612.87, 1,943,772.40 and 397,034.71 is: 595,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,612.87 : 1,943,772.40 = 397,034.71 : x
  2. Step 2: Convert to fraction form
    1,295,612.87/1,943,772.40 = 397,034.71/x
  3. Step 3: Cross multiply
    1,295,612.87x = 1,943,772.40 × 397,034.71
  4. Step 4: Simplify right side
    1,295,612.87x = 771,745,109,154.83
  5. Step 5: Solve for x
    x = 771,745,109,154.83/1,295,612.87
  6. Step 6: Final answer
    x = 595,660.27

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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.