Home / 1,009,390.01-1,393,424.66-622,274.61

Finding the Fourth Proportional to 1,009,390.01, 1,393,424.66 and 622,274.61

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Solution

The fourth proportional to 1,009,390.01, 1,393,424.66 and 622,274.61 is: 859,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,390.01 : 1,393,424.66 = 622,274.61 : x
  2. Step 2: Convert to fraction form
    1,009,390.01/1,393,424.66 = 622,274.61/x
  3. Step 3: Cross multiply
    1,009,390.01x = 1,393,424.66 × 622,274.61
  4. Step 4: Simplify right side
    1,009,390.01x = 867,092,788,421.57
  5. Step 5: Solve for x
    x = 867,092,788,421.57/1,009,390.01
  6. Step 6: Final answer
    x = 859,026.52

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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.