Home / 1,288,101.90-1,931,569.65-489,117.90

Finding the Fourth Proportional to 1,288,101.90, 1,931,569.65 and 489,117.90

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Solution

The fourth proportional to 1,288,101.90, 1,931,569.65 and 489,117.90 is: 733,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,101.90 : 1,931,569.65 = 489,117.90 : x
  2. Step 2: Convert to fraction form
    1,288,101.90/1,931,569.65 = 489,117.90/x
  3. Step 3: Cross multiply
    1,288,101.90x = 1,931,569.65 × 489,117.90
  4. Step 4: Simplify right side
    1,288,101.90x = 944,765,290,911.74
  5. Step 5: Solve for x
    x = 944,765,290,911.74/1,288,101.90
  6. Step 6: Final answer
    x = 733,455.40

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