Home / 1,768,628.61-2,653,503.71-631,365.80

Finding the Fourth Proportional to 1,768,628.61, 2,653,503.71 and 631,365.80

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Solution

The fourth proportional to 1,768,628.61, 2,653,503.71 and 631,365.80 is: 947,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,628.61 : 2,653,503.71 = 631,365.80 : x
  2. Step 2: Convert to fraction form
    1,768,628.61/2,653,503.71 = 631,365.80/x
  3. Step 3: Cross multiply
    1,768,628.61x = 2,653,503.71 × 631,365.80
  4. Step 4: Simplify right side
    1,768,628.61x = 1,675,331,476,242.77
  5. Step 5: Solve for x
    x = 1,675,331,476,242.77/1,768,628.61
  6. Step 6: Final answer
    x = 947,248.88

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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.