Home / 1,145,600.40-1,718,400.60-984,637.20

Finding the Fourth Proportional to 1,145,600.40, 1,718,400.60 and 984,637.20

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Solution

The fourth proportional to 1,145,600.40, 1,718,400.60 and 984,637.20 is: 1,476,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,600.40 : 1,718,400.60 = 984,637.20 : x
  2. Step 2: Convert to fraction form
    1,145,600.40/1,718,400.60 = 984,637.20/x
  3. Step 3: Cross multiply
    1,145,600.40x = 1,718,400.60 × 984,637.20
  4. Step 4: Simplify right side
    1,145,600.40x = 1,692,001,155,262.32
  5. Step 5: Solve for x
    x = 1,692,001,155,262.32/1,145,600.40
  6. Step 6: Final answer
    x = 1,476,955.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.