Home / 1,157,492.20-1,735,655.10-684,322.60

Finding the Fourth Proportional to 1,157,492.20, 1,735,655.10 and 684,322.60

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Solution

The fourth proportional to 1,157,492.20, 1,735,655.10 and 684,322.60 is: 1,026,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,492.20 : 1,735,655.10 = 684,322.60 : x
  2. Step 2: Convert to fraction form
    1,157,492.20/1,735,655.10 = 684,322.60/x
  3. Step 3: Cross multiply
    1,157,492.20x = 1,735,655.10 × 684,322.60
  4. Step 4: Simplify right side
    1,157,492.20x = 1,187,748,010,735.26
  5. Step 5: Solve for x
    x = 1,187,748,010,735.26/1,157,492.20
  6. Step 6: Final answer
    x = 1,026,139.11

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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.