Home / 1,275,704.05-1,913,508.22-316,162.81

Finding the Fourth Proportional to 1,275,704.05, 1,913,508.22 and 316,162.81

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Solution

The fourth proportional to 1,275,704.05, 1,913,508.22 and 316,162.81 is: 474,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,704.05 : 1,913,508.22 = 316,162.81 : x
  2. Step 2: Convert to fraction form
    1,275,704.05/1,913,508.22 = 316,162.81/x
  3. Step 3: Cross multiply
    1,275,704.05x = 1,913,508.22 × 316,162.81
  4. Step 4: Simplify right side
    1,275,704.05x = 604,980,124,644.94
  5. Step 5: Solve for x
    x = 604,980,124,644.94/1,275,704.05
  6. Step 6: Final answer
    x = 474,232.35

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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.