Home / 1,009,984.23-1,393,777.47-647,407.83

Finding the Fourth Proportional to 1,009,984.23, 1,393,777.47 and 647,407.83

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Solution

The fourth proportional to 1,009,984.23, 1,393,777.47 and 647,407.83 is: 893,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,984.23 : 1,393,777.47 = 647,407.83 : x
  2. Step 2: Convert to fraction form
    1,009,984.23/1,393,777.47 = 647,407.83/x
  3. Step 3: Cross multiply
    1,009,984.23x = 1,393,777.47 × 647,407.83
  4. Step 4: Simplify right side
    1,009,984.23x = 902,342,447,355.59
  5. Step 5: Solve for x
    x = 902,342,447,355.59/1,009,984.23
  6. Step 6: Final answer
    x = 893,422.31

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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.