Home / 1,484,394.47-2,048,455.82-805,316.39

Finding the Fourth Proportional to 1,484,394.47, 2,048,455.82 and 805,316.39

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Solution

The fourth proportional to 1,484,394.47, 2,048,455.82 and 805,316.39 is: 1,111,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,394.47 : 2,048,455.82 = 805,316.39 : x
  2. Step 2: Convert to fraction form
    1,484,394.47/2,048,455.82 = 805,316.39/x
  3. Step 3: Cross multiply
    1,484,394.47x = 2,048,455.82 × 805,316.39
  4. Step 4: Simplify right side
    1,484,394.47x = 1,649,655,042,010.31
  5. Step 5: Solve for x
    x = 1,649,655,042,010.31/1,484,394.47
  6. Step 6: Final answer
    x = 1,111,331.98

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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.