Home / 1,437,811.59-2,156,717.52-491,190.51

Finding the Fourth Proportional to 1,437,811.59, 2,156,717.52 and 491,190.51

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Solution

The fourth proportional to 1,437,811.59, 2,156,717.52 and 491,190.51 is: 736,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,811.59 : 2,156,717.52 = 491,190.51 : x
  2. Step 2: Convert to fraction form
    1,437,811.59/2,156,717.52 = 491,190.51/x
  3. Step 3: Cross multiply
    1,437,811.59x = 2,156,717.52 × 491,190.51
  4. Step 4: Simplify right side
    1,437,811.59x = 1,059,359,178,574.74
  5. Step 5: Solve for x
    x = 1,059,359,178,574.74/1,437,811.59
  6. Step 6: Final answer
    x = 736,785.81

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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.