Home / 1,187,359.20-1,781,038.80-345,938.40

Finding the Fourth Proportional to 1,187,359.20, 1,781,038.80 and 345,938.40

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Solution

The fourth proportional to 1,187,359.20, 1,781,038.80 and 345,938.40 is: 518,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,359.20 : 1,781,038.80 = 345,938.40 : x
  2. Step 2: Convert to fraction form
    1,187,359.20/1,781,038.80 = 345,938.40/x
  3. Step 3: Cross multiply
    1,187,359.20x = 1,781,038.80 × 345,938.40
  4. Step 4: Simplify right side
    1,187,359.20x = 616,129,712,809.92
  5. Step 5: Solve for x
    x = 616,129,712,809.92/1,187,359.20
  6. Step 6: Final answer
    x = 518,907.60

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