Home / 1,087,205.60-1,629,496.20-554,452.40

Finding the Fourth Proportional to 1,087,205.60, 1,629,496.20 and 554,452.40

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Solution

The fourth proportional to 1,087,205.60, 1,629,496.20 and 554,452.40 is: 831,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,205.60 : 1,629,496.20 = 554,452.40 : x
  2. Step 2: Convert to fraction form
    1,087,205.60/1,629,496.20 = 554,452.40/x
  3. Step 3: Cross multiply
    1,087,205.60x = 1,629,496.20 × 554,452.40
  4. Step 4: Simplify right side
    1,087,205.60x = 903,478,078,880.88
  5. Step 5: Solve for x
    x = 903,478,078,880.88/1,087,205.60
  6. Step 6: Final answer
    x = 831,009.41

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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.