Home / 1,397,090.38-2,095,655.00-399,818.38

Finding the Fourth Proportional to 1,397,090.38, 2,095,655.00 and 399,818.38

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Solution

The fourth proportional to 1,397,090.38, 2,095,655.00 and 399,818.38 is: 599,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,090.38 : 2,095,655.00 = 399,818.38 : x
  2. Step 2: Convert to fraction form
    1,397,090.38/2,095,655.00 = 399,818.38/x
  3. Step 3: Cross multiply
    1,397,090.38x = 2,095,655.00 × 399,818.38
  4. Step 4: Simplify right side
    1,397,090.38x = 837,881,377,660.17
  5. Step 5: Solve for x
    x = 837,881,377,660.17/1,397,090.38
  6. Step 6: Final answer
    x = 599,733.13

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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.