Home / 1,214,440.34-1,676,069.82-1,010,130.80

Finding the Fourth Proportional to 1,214,440.34, 1,676,069.82 and 1,010,130.80

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Solution

The fourth proportional to 1,214,440.34, 1,676,069.82 and 1,010,130.80 is: 1,394,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,440.34 : 1,676,069.82 = 1,010,130.80 : x
  2. Step 2: Convert to fraction form
    1,214,440.34/1,676,069.82 = 1,010,130.80/x
  3. Step 3: Cross multiply
    1,214,440.34x = 1,676,069.82 × 1,010,130.80
  4. Step 4: Simplify right side
    1,214,440.34x = 1,693,049,748,132.46
  5. Step 5: Solve for x
    x = 1,693,049,748,132.46/1,214,440.34
  6. Step 6: Final answer
    x = 1,394,098.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.