Home / 1,138,471.19-1,707,455.25-328,679.70

Finding the Fourth Proportional to 1,138,471.19, 1,707,455.25 and 328,679.70

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Solution

The fourth proportional to 1,138,471.19, 1,707,455.25 and 328,679.70 is: 492,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,471.19 : 1,707,455.25 = 328,679.70 : x
  2. Step 2: Convert to fraction form
    1,138,471.19/1,707,455.25 = 328,679.70/x
  3. Step 3: Cross multiply
    1,138,471.19x = 1,707,455.25 × 328,679.70
  4. Step 4: Simplify right side
    1,138,471.19x = 561,205,884,423.76
  5. Step 5: Solve for x
    x = 561,205,884,423.76/1,138,471.19
  6. Step 6: Final answer
    x = 492,946.94

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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.