Home / 977,262.98-1,465,915.73-687,892.10

Finding the Fourth Proportional to 977,262.98, 1,465,915.73 and 687,892.10

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Solution

The fourth proportional to 977,262.98, 1,465,915.73 and 687,892.10 is: 1,031,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,262.98 : 1,465,915.73 = 687,892.10 : x
  2. Step 2: Convert to fraction form
    977,262.98/1,465,915.73 = 687,892.10/x
  3. Step 3: Cross multiply
    977,262.98x = 1,465,915.73 × 687,892.10
  4. Step 4: Simplify right side
    977,262.98x = 1,008,391,839,163.69
  5. Step 5: Solve for x
    x = 1,008,391,839,163.69/977,262.98
  6. Step 6: Final answer
    x = 1,031,853.11

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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.