Home / 749,397.60-1,124,096.40-670,665.60

Finding the Fourth Proportional to 749,397.60, 1,124,096.40 and 670,665.60

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Solution

The fourth proportional to 749,397.60, 1,124,096.40 and 670,665.60 is: 1,005,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,397.60 : 1,124,096.40 = 670,665.60 : x
  2. Step 2: Convert to fraction form
    749,397.60/1,124,096.40 = 670,665.60/x
  3. Step 3: Cross multiply
    749,397.60x = 1,124,096.40 × 670,665.60
  4. Step 4: Simplify right side
    749,397.60x = 753,892,786,563.84
  5. Step 5: Solve for x
    x = 753,892,786,563.84/749,397.60
  6. Step 6: Final answer
    x = 1,005,998.40

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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.