Home / 1,786,655.54-2,465,384.50-1,012,120.46

Finding the Fourth Proportional to 1,786,655.54, 2,465,384.50 and 1,012,120.46

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Solution

The fourth proportional to 1,786,655.54, 2,465,384.50 and 1,012,120.46 is: 1,396,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,655.54 : 2,465,384.50 = 1,012,120.46 : x
  2. Step 2: Convert to fraction form
    1,786,655.54/2,465,384.50 = 1,012,120.46/x
  3. Step 3: Cross multiply
    1,786,655.54x = 2,465,384.50 × 1,012,120.46
  4. Step 4: Simplify right side
    1,786,655.54x = 2,495,266,092,400.29
  5. Step 5: Solve for x
    x = 2,495,266,092,400.29/1,786,655.54
  6. Step 6: Final answer
    x = 1,396,612.85

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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.