Home / 1,393,009.73-1,921,538.98-875,945.29

Finding the Fourth Proportional to 1,393,009.73, 1,921,538.98 and 875,945.29

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Solution

The fourth proportional to 1,393,009.73, 1,921,538.98 and 875,945.29 is: 1,208,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,009.73 : 1,921,538.98 = 875,945.29 : x
  2. Step 2: Convert to fraction form
    1,393,009.73/1,921,538.98 = 875,945.29/x
  3. Step 3: Cross multiply
    1,393,009.73x = 1,921,538.98 × 875,945.29
  4. Step 4: Simplify right side
    1,393,009.73x = 1,683,163,012,088.69
  5. Step 5: Solve for x
    x = 1,683,163,012,088.69/1,393,009.73
  6. Step 6: Final answer
    x = 1,208,292.36

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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.