Home / 1,085,113.20-1,627,669.80-707,199.60

Finding the Fourth Proportional to 1,085,113.20, 1,627,669.80 and 707,199.60

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Solution

The fourth proportional to 1,085,113.20, 1,627,669.80 and 707,199.60 is: 1,060,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,113.20 : 1,627,669.80 = 707,199.60 : x
  2. Step 2: Convert to fraction form
    1,085,113.20/1,627,669.80 = 707,199.60/x
  3. Step 3: Cross multiply
    1,085,113.20x = 1,627,669.80 × 707,199.60
  4. Step 4: Simplify right side
    1,085,113.20x = 1,151,087,431,492.08
  5. Step 5: Solve for x
    x = 1,151,087,431,492.08/1,085,113.20
  6. Step 6: Final answer
    x = 1,060,799.40

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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.