Home / 1,069,901.75-1,476,615.45-662,134.89

Finding the Fourth Proportional to 1,069,901.75, 1,476,615.45 and 662,134.89

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Solution

The fourth proportional to 1,069,901.75, 1,476,615.45 and 662,134.89 is: 913,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,901.75 : 1,476,615.45 = 662,134.89 : x
  2. Step 2: Convert to fraction form
    1,069,901.75/1,476,615.45 = 662,134.89/x
  3. Step 3: Cross multiply
    1,069,901.75x = 1,476,615.45 × 662,134.89
  4. Step 4: Simplify right side
    1,069,901.75x = 977,718,608,558.05
  5. Step 5: Solve for x
    x = 977,718,608,558.05/1,069,901.75
  6. Step 6: Final answer
    x = 913,839.62

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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.