Home / 1,309,437.39-1,964,239.10-410,914.59

Finding the Fourth Proportional to 1,309,437.39, 1,964,239.10 and 410,914.59

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Solution

The fourth proportional to 1,309,437.39, 1,964,239.10 and 410,914.59 is: 616,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,437.39 : 1,964,239.10 = 410,914.59 : x
  2. Step 2: Convert to fraction form
    1,309,437.39/1,964,239.10 = 410,914.59/x
  3. Step 3: Cross multiply
    1,309,437.39x = 1,964,239.10 × 410,914.59
  4. Step 4: Simplify right side
    1,309,437.39x = 807,134,502,383.90
  5. Step 5: Solve for x
    x = 807,134,502,383.90/1,309,437.39
  6. Step 6: Final answer
    x = 616,397.93

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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.