Home / 1,386,010.60-2,079,015.90-676,493.80

Finding the Fourth Proportional to 1,386,010.60, 2,079,015.90 and 676,493.80

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Solution

The fourth proportional to 1,386,010.60, 2,079,015.90 and 676,493.80 is: 1,014,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,010.60 : 2,079,015.90 = 676,493.80 : x
  2. Step 2: Convert to fraction form
    1,386,010.60/2,079,015.90 = 676,493.80/x
  3. Step 3: Cross multiply
    1,386,010.60x = 2,079,015.90 × 676,493.80
  4. Step 4: Simplify right side
    1,386,010.60x = 1,406,441,366,451.42
  5. Step 5: Solve for x
    x = 1,406,441,366,451.42/1,386,010.60
  6. Step 6: Final answer
    x = 1,014,740.70

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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.