Home / 1,386,014.35-2,079,021.53-676,497.55

Finding the Fourth Proportional to 1,386,014.35, 2,079,021.53 and 676,497.55

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Solution

The fourth proportional to 1,386,014.35, 2,079,021.53 and 676,497.55 is: 1,014,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,014.35 : 2,079,021.53 = 676,497.55 : x
  2. Step 2: Convert to fraction form
    1,386,014.35/2,079,021.53 = 676,497.55/x
  3. Step 3: Cross multiply
    1,386,014.35x = 2,079,021.53 × 676,497.55
  4. Step 4: Simplify right side
    1,386,014.35x = 1,406,452,968,059.76
  5. Step 5: Solve for x
    x = 1,406,452,968,059.76/1,386,014.35
  6. Step 6: Final answer
    x = 1,014,746.33

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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.