Home / 1,259,492.60-1,738,117.86-686,532.76

Finding the Fourth Proportional to 1,259,492.60, 1,738,117.86 and 686,532.76

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Solution

The fourth proportional to 1,259,492.60, 1,738,117.86 and 686,532.76 is: 947,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,492.60 : 1,738,117.86 = 686,532.76 : x
  2. Step 2: Convert to fraction form
    1,259,492.60/1,738,117.86 = 686,532.76/x
  3. Step 3: Cross multiply
    1,259,492.60x = 1,738,117.86 × 686,532.76
  4. Step 4: Simplify right side
    1,259,492.60x = 1,193,274,851,631.09
  5. Step 5: Solve for x
    x = 1,193,274,851,631.09/1,259,492.60
  6. Step 6: Final answer
    x = 947,425.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.