Home / 1,020,978.20-1,529,912.10-862,347.80

Finding the Fourth Proportional to 1,020,978.20, 1,529,912.10 and 862,347.80

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Solution

The fourth proportional to 1,020,978.20, 1,529,912.10 and 862,347.80 is: 1,292,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,978.20 : 1,529,912.10 = 862,347.80 : x
  2. Step 2: Convert to fraction form
    1,020,978.20/1,529,912.10 = 862,347.80/x
  3. Step 3: Cross multiply
    1,020,978.20x = 1,529,912.10 × 862,347.80
  4. Step 4: Simplify right side
    1,020,978.20x = 1,319,316,333,628.38
  5. Step 5: Solve for x
    x = 1,319,316,333,628.38/1,020,978.20
  6. Step 6: Final answer
    x = 1,292,208.13

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