Home / 1,028,261.60-1,542,392.40-607,320.80

Finding the Fourth Proportional to 1,028,261.60, 1,542,392.40 and 607,320.80

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Solution

The fourth proportional to 1,028,261.60, 1,542,392.40 and 607,320.80 is: 910,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,261.60 : 1,542,392.40 = 607,320.80 : x
  2. Step 2: Convert to fraction form
    1,028,261.60/1,542,392.40 = 607,320.80/x
  3. Step 3: Cross multiply
    1,028,261.60x = 1,542,392.40 × 607,320.80
  4. Step 4: Simplify right side
    1,028,261.60x = 936,726,986,281.92
  5. Step 5: Solve for x
    x = 936,726,986,281.92/1,028,261.60
  6. Step 6: Final answer
    x = 910,981.20

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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.