Home / 987,982.40-1,481,973.60-977,484.80

Finding the Fourth Proportional to 987,982.40, 1,481,973.60 and 977,484.80

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Solution

The fourth proportional to 987,982.40, 1,481,973.60 and 977,484.80 is: 1,466,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,982.40 : 1,481,973.60 = 977,484.80 : x
  2. Step 2: Convert to fraction form
    987,982.40/1,481,973.60 = 977,484.80/x
  3. Step 3: Cross multiply
    987,982.40x = 1,481,973.60 × 977,484.80
  4. Step 4: Simplify right side
    987,982.40x = 1,448,606,668,001.28
  5. Step 5: Solve for x
    x = 1,448,606,668,001.28/987,982.40
  6. Step 6: Final answer
    x = 1,466,227.20

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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.