Home / 1,236,018.61-1,704,823.81-1,134,371.71

Finding the Fourth Proportional to 1,236,018.61, 1,704,823.81 and 1,134,371.71

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Solution

The fourth proportional to 1,236,018.61, 1,704,823.81 and 1,134,371.71 is: 1,564,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,018.61 : 1,704,823.81 = 1,134,371.71 : x
  2. Step 2: Convert to fraction form
    1,236,018.61/1,704,823.81 = 1,134,371.71/x
  3. Step 3: Cross multiply
    1,236,018.61x = 1,704,823.81 × 1,134,371.71
  4. Step 4: Simplify right side
    1,236,018.61x = 1,933,903,900,598.42
  5. Step 5: Solve for x
    x = 1,933,903,900,598.42/1,236,018.61
  6. Step 6: Final answer
    x = 1,564,623.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.