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Finding the Fourth Proportional to 1,006,725, 1,508,978.34 and 407,312.04

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Solution

The fourth proportional to 1,006,725, 1,508,978.34 and 407,312.04 is: 610,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,725 : 1,508,978.34 = 407,312.04 : x
  2. Step 2: Convert to fraction form
    1,006,725/1,508,978.34 = 407,312.04/x
  3. Step 3: Cross multiply
    1,006,725x = 1,508,978.34 × 407,312.04
  4. Step 4: Simplify right side
    1,006,725x = 614,625,045,981.21
  5. Step 5: Solve for x
    x = 614,625,045,981.21/1,006,725
  6. Step 6: Final answer
    x = 610,519.30

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