Home / 818,688.60-1,228,032.90-732,083.40

Finding the Fourth Proportional to 818,688.60, 1,228,032.90 and 732,083.40

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Solution

The fourth proportional to 818,688.60, 1,228,032.90 and 732,083.40 is: 1,098,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,688.60 : 1,228,032.90 = 732,083.40 : x
  2. Step 2: Convert to fraction form
    818,688.60/1,228,032.90 = 732,083.40/x
  3. Step 3: Cross multiply
    818,688.60x = 1,228,032.90 × 732,083.40
  4. Step 4: Simplify right side
    818,688.60x = 899,022,500,743.86
  5. Step 5: Solve for x
    x = 899,022,500,743.86/818,688.60
  6. Step 6: Final answer
    x = 1,098,125.10

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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.