Home / 753,642.40-1,130,463.60-682,783.60

Finding the Fourth Proportional to 753,642.40, 1,130,463.60 and 682,783.60

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Solution

The fourth proportional to 753,642.40, 1,130,463.60 and 682,783.60 is: 1,024,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,642.40 : 1,130,463.60 = 682,783.60 : x
  2. Step 2: Convert to fraction form
    753,642.40/1,130,463.60 = 682,783.60/x
  3. Step 3: Cross multiply
    753,642.40x = 1,130,463.60 × 682,783.60
  4. Step 4: Simplify right side
    753,642.40x = 771,862,006,476.96
  5. Step 5: Solve for x
    x = 771,862,006,476.96/753,642.40
  6. Step 6: Final answer
    x = 1,024,175.40

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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.